The Different Ac Motors Used In Hvacr Systems}

Posted on October 11, 2017December 5, 2018Categories Fans

The Different AC Motors Used In HVACR Systems

by

Alyssa Gonzaga

Due to the rising population and growth of commercial and industrial units in the Middle East and North Africa, the demand for HVACR products in the region remains high for different applications including commercial, industrial, and residential among others. To be able to supply the needs of these industries, HVACR companies make sure to develop high quality products.

One of the most important products in the HVAC industry are the electric motors. It is the basic component that is responsible for powering blowers to move air. Electric motors drive compressors to compress refrigerants and also powers pumps or chilled and hot water applications. It is an integral part of all HVAC systems, and many applications would not be possible to implement without electric motors.

The type of motor that is used in HVAC systems depends on its application. For example, electric blowers or propeller fans usually require motors that have a low starting torque, while compressors require motors that have high starting torque. This is why it is important for HVAC engineers to select the appropriate motor of the job, else problems will occur throughout the operation of the HVAC system.

Here are the different AC motors that are used in HVACR Systems

Split Phase Motors

[youtube]http://www.youtube.com/watch?v=tMMKoRPY_TU[/youtube]

These motors are known as the workhorse in the HVAC industry, they are usually used in air conditioners because these motors provide high starting torque. There are two common splitphase motors that are used in HVAC applications, the capacitor-start-induction-run motor and the resistance-start-induction-run electric motor.

Capacitor start motors make use of a start capacitor to boost its starting torque. Most of these motors use a centrifugal switch to disconnect the start capacitor from the start winding circuit at the time the motor will reach around 70 to 80 of its run speed.

The resistance-start-induction-run electric motor on the other hand, has a start winding and a run winding. The two windings are out of phase by 45 to 90 degrees which gives the motor a boost on startup. Unlike the capacitor-start-induction-run motor that used a capacitor, this motor makes uses a centrifugal switch to drop the start winding out of the circuit.

PSC Motors

Permanent Split Capacitor (PSC) electric motors have many HVAC applications. They are used for many refrigeration and air conditioning compressor applications. These motors, are single phase electric motors. They are easily reversible from the clockwise to counter-clockwise direction. The PSC motor uses a capacitor and has good running efficiency.

When a PSC motor is used in compressors, it makes use of two capacitors attached to its wiring. The first one serves as a start capacitor to boost the starting torque, and the second is a run capacitor to increase its running efficiency.

Shaded-pole Electric Motor

Shaded-pole electric motors in the HVAC industry, are usually used only for application fractional horsepower applications wherein the start and run torque requirements are minimal. These motors are used in devices with low starting torque such as electric fans and small pumps. Shaded-pole electric motors do not use capacitors and are not easily reversible.

Contact Details

Rowena Lariosa

Rubber World Industries

Marketing@gulfoflex.com

Tel: +971 6 7434176

Web www.GulfoFlex.com

Media Contact

Alyssa Gonzaga

Media Account

Lincoln Martin Strategic Marketing

Tel: +971 50 4289684

Rowena Lariosa

Rubber World IndustriesMarketing@gulfoflex.comTel: +971 6 7434176Web www.GulfoFlex.com Media Contact Alyssa GonzagaMedia AccountLincoln Martin Strategic MarketingTel: +971 50 4289684

Article Source:

eArticlesOnline.com

}

London serial murder accused Stephen Port makes first court appearance

Posted on October 11, 2017October 11, 2017Categories Uncategorized

Tuesday, October 20, 2015

A London man charged on Sunday with drugging and murdering four men made his first court appearance yesterday. Stephen Port, 40, was remanded to appear before a higher court tomorrow.

Port faces four counts of murder and four counts of “administering a poison with intent to endanger life or inflict grievous bodily harm”. He is alleged to have administered overdoses of recreational drug GHB. He allegedly murdered the men at his home before dumping the bodies, after finding victims online using gay dating services.

Three of the deaths were last year. Anthony Patrick Walgate, 23, was found dead on June 19, 2014 in Cooke Street. Port lives in Cooke Street. The other three alleged victims were found in the vicinity of St Margaret’s Church on North Street. Gabriel Kovari, 22, was discovered dead on August 28. Daniel Whitworth, 21, was found dead the following month on September 20. Fourth alleged victim Jack Taylor, 25, was found a year later on September 14.

Whitworth and Kovari were known to each other, according to testimony at inquest. The Metropolitan Police has referred itself to the Independent Police Complaints Commission concerning what police called “potential vulnerabilities in [our response] to the four deaths.” Police did not initially link the deaths.

Special needs teacher Port, who was guarded by three officers in the dock, spoke in court to confirm his identity. He did not indicate if he will deny the offences. He was arrested following a police appeal to trace a man seen with Taylor shortly before his death.

Police at the time released security footage of Taylor’s movements, with an officer telling the press “the man captured on CCTV may well be the last person to talk to Jack.” The four deaths were finally linked and passed to the Metropolitan Police’s serious crime investigators on Wednesday last week.

The Magistrates’ Court ordered Taylor to appear at the Old Bailey, a famed London courthouse, tomorrow. He spent the hearing holding one arm, and repeatedly looking at the floor, whilst clad in a grey tracksuit given to him by the authorities holding him.

Southwest Airlines flight skids off runway at Chicago’s Midway

Posted on October 11, 2017October 11, 2017Categories Uncategorized

Thursday, December 8, 2005

A Southwest Airlines Boeing 737-700 skidded off the runway at the Chicago Midway Airport on Thursday evening. The Southwest Airlines flight 1248 was en route to Midway from Baltimore-Washington International Airport. The aircraft attempted the landing at approximately 7:15 p.m. local time under heavy snow, and skidded off the runway, crashing through a steel barrier surrounding the airport and on to a residential street.

There were 98 passengers on the flight, two of them were reportedly injured and taken to a local hospital and the rest were bussed to the airport terminal.

Reports indicate that two vehicles were damaged. One of the vehicles was still lodged under the aircraft when police and fire officials arrived on the scene. Taken to the Advocate Christ Medical Center in Oaklawn were two adults and three children who were extracted from one of the vehicles the aircraft hit. One of the children, a 6-year-old boy from Indiana named Joshua Woods, has died from injuries suffered from the crash. The conditions of the other victims are still unknown.

The accident is under investigation by the National Transportation Safety Board (NTSB), and a final report is expected in about a year.

Enjoy Your Christmas By Booking Cheap Van Rentals In Houston}

Posted on October 10, 2017December 28, 2017Categories Gps Tracking

Enjoy Your Christmas By Booking Cheap Van Rentals In Houston

by

beckyvan

If you are planning to enjoy Christmas with family and friends and you have 10 – 12 people, then it is always recommended to book a 15 passenger van from Cheap Van Rentals in Houston so that everyone can travel in a single vehicle and enjoy each other’s company throughout the ride. The company offering these vans is located in Houston and offers its services to schools, churches, hospitals, hotels, destination management companies, contractors and the public for their transportation needs in well maintained vehicles.

These cheap van rentals in Houston are available on a daily, weekly, or monthly rental for either personal or commercial use at the best discounted prices. You can accommodate 12 to 15 passengers by choosing a vehicle from their fleet of passenger vans, pickup trucks and cargo vans.

You can book the vehicles under different packages which are usually available at $89.99 per day with 100 miles per day included, $99.99 per day with 200 miles per day included and $129.99 per day with unlimited miles. You can also avail yourself to an offer of unlimited mileage on rentals of 3 days or more. This is ideal for long distance driving during Christmas. Fall and winter packages of unlimited miles for 7 days, 10 days and 28 days are the best offer that can be found in the van rentals industry. A minimum of two days rental is offered for Saturdays and Corporate Accounts are handled on Sundays by cheap van rentals in Houston.

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For your comfort and convenience, and an additional fee of $25.00 per seat, they can also remove seats with 24 hours prior notice. You can also add additional drivers at $5 per day.

The cheap van rentals in Houston also offer special discounts for churches, colleges, military or teams using vans for transportation. You can get a 2.5% discount for returning with a photo of the van in front of a national landmark. You can also get a 5% discount when renting a van for sporting events by showing your ticket at the time of booking.

If you are planning to enjoy Christmas with family and friends and you have 10 – 12 people, then it is always recommended to book a 15 passenger van from Cheap Van Rentals in Houston so that everyone can travel in a single vehicle and enjoy each other’s company throughout the ride. The company offering these vans is located in Houston and offers its services to schools, churches, hospitals, hotels, destination management companies, contractors and the public for their transportation needs in well maintained vehicles.

These cheap van rentals in Houston are available on a daily, weekly, or monthly rental for either personal or commercial use at the best discounted prices. You can accommodate 12 to 15 passengers by choosing a vehicle from their fleet of passenger vans, pickup trucks and cargo vans.

You can book the vehicles under different packages which are usually available at $89.99 per day with 100 miles per day included, $99.99 per day with 200 miles per day included and $129.99 per day with unlimited miles. You can also avail yourself to an offer of unlimited mileage on rentals of 3 days or more. This is ideal for long distance driving during Christmas. Fall and winter packages of unlimited miles for 7 days, 10 days and 28 days are the best offer that can be found in the van rentals industry. A minimum of two days rental is offered for Saturdays and Corporate Accounts are handled on Sundays by cheap van rentals in Houston.

For your comfort and convenience, and an additional fee of $25.00 per seat, they can also remove seats with 24 hours prior notice. You can also add additional drivers at $5 per day.

The cheap van rentals in Houston also offer special discounts for churches, colleges, military or teams using vans for transportation. You can get a 2.5% discount for returning with a photo of the van in front of a national landmark. You can also get a 5% discount when renting a van for sporting events by showing your ticket at the time of booking.

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Buddhist relic collection tours North America and world

Posted on October 10, 2017October 10, 2017Categories Uncategorized

Saturday, November 25, 2006

With the hopes of funding the creation of a statue in northern India that would end up dwarfing the Statue of Liberty, an unprecedented collection of Buddhist artifacts continue crisscrossing American, Europe, and Asia in three different, but related collections.

The Maitreya Project, the brainchild of Lama Zopa Rinpoche, seeks to build a monument and development dedicated to Buddhism at Kushinagar, Uttar Pradesh in northern India. The centerpiece of this massive development will be a 152m (500 ft) bronze statue of the Maitreya Buddha, the Buddha of the future.

Buddhist belief says that there have been Buddhas in the distant past and there will be Buddhas in the distant future. The historical Buddha, the one who was born in India about 2500 years ago, is known as Shakyamuni Buddha. Buddhist belief says that sometime in the distant future the teachings that Shakyamuni Buddha brought to Earth will fade away. At that point the Maitreya Buddha will be born and gain enlightenment in order to refresh and renew Buddhist teachings.

Along with the statue, the development is also planned to include temples, exhibition halls, parks, a museum, library, and a theater as well as a hospital and educational center.

In order to move forward with this project the Maitreya Project has created collections of artifacts that are touring the world. Once the statue is built these artifacts will be housed in it for viewing.

Buddhist artifacts are usually associated with the body of the person involved. While they can be such things as bone and teeth, usually they are pearl-like objects that are found and collected after the enlightened person is creamated. These pearl-like objects are called ringsel.

There are three collections of artifacts currently touring American, Europe, and East Asia. They include relics from the immediate past Buddha, called Kasyapa, the historical Buddha, five of his original disciples, several Tibetan and Zen masters, and the 14th Dalai Lama, Tenzin Gyatso.

Wikinews reporter Richard Kinne spent three days with the relics when the North American tour came to Ithaca, NY a few weeks ago. The relics travel with two caretakers, one of whom is always in close proximity to the relics. Setup for the relics display can take about four hours depending on the venue. Taking it down takes a bit under two hours.

Each morning of the tour the relics are taken out of their padded case and placed in clear plexiglass display cases. The relics are displayed individually in small containers called stupas. Some containers appear very full, while others contian just one very small object. Each evening the process is reversed and the padded case stays with the relic caretakers.

Between the morning and the evening people from all walks of life come to see the relics – believers, people who are curious, academics, Buddhist monks and nuns, both older folks and small children. While the Heart Relic Tour just does deals with displaying the relics, the sponsoring venue can add to the display in various ways such as lectures, meditation classes and demonstrations, or various other rituals.

The tour in North America reaches Jacksonville, FL during the first weekend of December. From there it will go to Miami between the 9th to the 11th, and then to Phoenix, AZ between the 15th to the 17th. In Asia the tour spends time in Malaysia in the first part of December.

Search and rescue beacons soon to make the digital jump

Posted on October 10, 2017October 10, 2017Categories Uncategorized

Tuesday, January 27, 2009

Starting February 1, Cospas-Sarsat will discontinue monitoring the frequencies that are used for analog-based emergency position-indicating radio beacons (EPIRB), the 121.5 and 243 MHz frequencies. Search and rescue (SAR) groups worldwide will only monitor the 406 MHz frequency, which is dedicated to digital locators.

The 406 MHz digital band has many advantages over the older analog systems. Since the locators send data to satellites, rather than just provide a continuous signal, much more will be known about the emergency before a SAR group arrives, such as the type of vehicle and owner. In addition, the accuracy will be greatly enhanced from a 1400 square kilometre (500 square mile) search zone down to just 90m (100 yards) if the locator has a GPS fix. The most important reason for the switch is the reduction of false positives. With the older analog bands, only about one in every 50 alerts was real, whereas with the digital system that is reduced to about one in every 17 alerts being real.

With fewer false positives and greatly increased accuracy, SAR groups around the world will be better able and faster to respond to life-threatening emergencies within the critical “golden day”. They will also be able to do this with fewer wasted resources.

The phase-out of analog transponders has been a long time coming. The first warnings were sent by the US Coast Guard in 2000, and analog devices have not been manufactured in the last several years. For most large boats the cost of upgrading to the new system was negligible. The change February 1 is worldwide, with both the International Civil Aviation Organization and the International Maritime Organization recommending the switch.

Indian Premier Manmohan Singh undergoes heart bypass; Pranab Mukherjee takes charge

Posted on October 10, 2017October 10, 2017Categories Uncategorized

Sunday, January 25, 2009

Prime Minister Manmohan Singh received a successful coronary artery bypass surgery and was recuperating well in the state-run All India Institute of Medical Sciences (AIIMS) Sunday.

Dr. Manmohan Singh is the 17th and current Prime Minister of the Republic of India. He also serves as the Union Minister for Finance, succeeding P. Chidambaram.

“The 76-year-old Prime Minister is doing fine now. He is conscious, stable, comfortable and is making rapid progress. He also met his family and congratulated all doctors. [His] ventilator has been taken off and he is breathing on his own. This is an important step,” said Dr. Ramakant Panda, one of the surgeons, after the 11-hour procedure on Saturday.

According to critical care specialist Dr. Vijay D’Silva, who has been entrusted with his post-operative care, Singh has been given a liquid diet since morning including a cup of tea, and was speaking to doctors after the procedure. “The way you [doctors] are taking care of me, you should also take care of other people”, Dr. D’Silva, who received his basic medical training in Nagpur and headed the ICU at Mumbai’s Jaslok and Lilavati Hospitals before he helped set up the ICU at the ultra-modern Asian Heart Institute, quoted Singh as saying.

“We started the operation at 7:45 am. The second operation always takes longer and makes it difficult to reach the heart. We did a total of five by-passes to clear multiple blockages in his arteries. Surgery was the long term answer since there were many blockages. We will take the PM out of the breathing machine in the next 2-3 hours and the PM should stay for three days in the ICU and then 4-5 days more in the hospital,” Drs. Panda and D’Silva explained.

Singh’s personal physician and AIIMS cardiac surgeon, Dr. K. S. Reddy, has predicted the PM will be allowed to attend to some official work in two weeks, to most of the duties in four weeks and will be able to resume office in six weeks. “PM was sent to the Operation Theatre at 6:40 am, surgery was done at 8:45 am and was concluded at 7:30 pm. PM was sent back to the ICU at 8:55 pm,” said Dr. Reddy.

“The team has brought about 20 boxes of special equipment with it. Earlier, Dr. K. S. Reddy had discussions with Dr. Panda in connection with the line of treatment to be followed,” the team of 11 doctors said.

The team of surgeons made a 6 to 7 inch incision along the scar that marked the PM’s 1990 bypass operation, and he was given five grafts. “The new grafts, all 3 mm long, will last the PM the rest of his life,” said Dr. Pradyot Kumar Rath from the Asian Heart Institute. “If the PM could have been so active with all the blockages, he can be even more active now,” Dr Panda said.

Singh underwent a coronary angiography at the AIIMS hospital on Tuesday and Wednesday and was discharged on Thursday. The tests results revealed multiple arterial blockages and Singh returned to hospital on Friday for pre-surgery tests.

External Minister Pranab Kumar Mukherjee, age 73, has been given the charge of Finance Ministry after he held meetings with Congress President Sonia Gandhi and then Prime Minister Singh. Mukherjee said he would meet the Prime Minister because he was going for treatment and when he was abroad, Singh was in hospital. “These are quite natural things. You should not be unnecessarily worried over and coming here in large numbers,” he said.

Mukherjee has also taken charge over some prime ministerial responsibilities, while Singh recovers, officials and media reports said. But no acting prime minister has been named while Singh is recuperating. Mukherjee will also preside over Cabinet meetings and will further handle coal, environment and forests, including information and broadcasting and finance portfolios.

Pranab Kumar Mukherjee, a native of West Bengal, India, is the Minister for External Affairs of India in the Manmohan Singh-led Government of India. A prominent leader of the Indian National Congress in the 14th Lok Sabha, he is known to be a competent party apparatchik, “a prominent Gandhi family loyalist who did not win a popular election until 2004”.

Singh, a diabetic, underwent a bypass surgery in Britain in 1990 and had an angioplasty in 2004 in Delhi in which stents were introduced in his arteries. He had earlier been operated for a benign enlarged prostate in 2007, and for nerve compression in both wrists in 2006 and cataract removal procedure last year, officials said.

The Congress Party, which leads the coalition Government, has said that he will remain Prime Minister if Congress and its allies win again. But Congress is reportedly planning to replace him, possibly within two years, with Rahul Gandhi, the 38-year-old son of Sonia Gandhi, the Italian-born Congress leader. “Days are not far off for Rahul Gandhi to become Indian Prime Minister,” Mr Mukherjee said earlier this month.

Rahul is an Indian politician and member of the Parliament of India, representing the Amethi constituency. He is a member of the Nehru-Gandhi family, the most prominent political family in India. He is the son of current Italian-born Congress President Sonia Gandhi, and former Prime Minister Rajiv Gandhi, who was assassinated in 1991. Gandhi was 14 years old when his grandmother, Prime Minister Indira Gandhi, was assassinated by her security guards. His great-grandfather, Jawaharlal Nehru, was the first Prime Minister of India, and his great-great-grandfather Motilal Nehru was a distinguished leader of the Indian independence movement.

Affordable Auto Insurance Finding The Best Fit}

Posted on October 10, 2017October 10, 2017Categories Insurance

Submitted by: Neal Hamou

Are you looking to insure your personal vehicle, and need to find affordable car insurance that won’t tear a hole in your back pocket? In today’s economy it is important to save money anywhere you can, especially when it comes to auto insurance. For most people auto insurance premiums make up a significant portion of their monthly payments, along with health insurance premiums, rent/mortgage, utilities and even car payments. With that being said, you could choose to call up multiple insurance companies one after the other and go through the hassle of trying to get a quote over the phone. But instead, why don’t you take the smarter approach, and get multiple quotes online? It is simple, free, and easy and it can be done any time of the day or night. So you don’t have to worry about normal business hours to shop around, you do it on your own time. Best of all, you can compare the rates of many companies by filling out simple applications, and letting the providers do the rest of the work for you. Find affordable auto insurance in no time by getting a few quotes instantly.

Anyone can use the ease and convenience of an online company to get multiple quotes so that they can find the insurance they need for less. Whether you are a new driver, or need to switch companies, or have even been dropped by your current carrier, you can get multiple quotes instantly and have your pick of companies. There is nothing worse than finding out that you have been paying way too much on auto insurance premiums for the same amount of coverage that your friend gets. Doing your homework and comparing rates may seem like a daunting task but with the help of auto insurance comparison calculators, comparing rates is a breeze.

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When you get at least 3 quotes at one time, you can get a great comparison between the differences in rates among the auto insurance providers you choose. The most important factor for many is the cost of auto insurance premiums. Everyone wants a rate that they can live with, one that is affordable but at the same time offers the amount of coverage they need. If you have a vehicle that is still bank owned, then it would be wise to carry full coverage insurance. Or, you may only need liability to cover your older model car as it wold not be worth paying the higher monthly premiums of full coverage insurance. Whatever the case, get affordable auto insurance online and save yourself the hassle of talking to many different insurance agents over the phone, saving you much needed time.

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Sarkozy appoints François Fillon as Prime Minister of France

Posted on October 9, 2017October 9, 2017Categories Uncategorized

Thursday, May 17, 2007

File:Francois fillon1.jpg

The new President of France, Nicolas Sarkozy has appointed François Fillon to head the new French government. Fillon’s predecessor Dominique de Villepin stepped down yesterday, and formally handed over the post during a ceremony today.

The nomination did not come as a surprise after the British newspaper the Financial Times had reported on May 8 that Sarkozy had introduced Fillon to Tony Blair in a telephone conversation.

François Fillon (53) has been the political advisor of Sarkozy in the UMP for the past 2 years, and he was Sarko’s campaign leader during the recent presidential elections. Fillon has experience in negotiating with the trade unions, having undertaken controversial reforms of the 35-hour workweek and the pension system. Sarkozy in his inauguration speech on Wednesday reiterated his plans to reform the French labour and social system, and Fillon will have to oversee these reforms as the new Prime Minister. Sarkozy said he wants to make the economy more flexible and lessen social tensions.

I expect I’ll end up being the first French premier with a Welsh wife.

The Guardian reported that Fillon is an Anglophile; his wife Penelope Clarke, with whom he has 5 children, was born in Wales. Ideologically, Fillon is being described as a moderate left-leaning member of the conservative UMP party.

Fillon had his first experience as a minister in 1993 when he became Minister for the Higher education and Research under PM Édouard Balladur. He later became Minister for the Post office, Telecommunications and Space, then Minister for the social Affairs, Work and Solidarity, and finally Minister for national Education, the Higher education and Research. At the university, he studied public law and political sciences.

Sarkozy might announce his cabinet of 15 ministers as early as Friday, half of which are going to be women, he said. Fillon will lead the UMP in the parliamentary elections next month. A poll on Wednesday predicted a 1.5% increase in votes for the UMP, up to 40%, compared to 28% status-quo for the allied socialists.

Reports say that Sarkozy has offered the foreign minister post to Bernard Kouchner, co-founder of Médecins Sans Frontières, who is seen as being on the left in French politics.