Once pressure is built up inside the piston, a hydraulic thrust bearing pushes against a crankshaft, forcing it forward. This pump is powered by an electric motor and always runs when the car is running. The clutch then actuates a small pump that pressurizes oil inside a piston. Whenever the vehicle’s electrical system determines that the AC compressor must cycle on, it sends an electronic signal to the clutch. The AC compressor clutch controls the cycling of the air conditioner compressor motor to give optimum performance. They use various sensors, such as the air temperature sensor, evaporator temperature sensor, or low-pressure switch, to measure when cooling is needed. A/C Clutch Stays Engaged: How Does AC Clutch Work?Īir conditioning compressors work by cycling on and off to maintain the desired temperature inside your car cabin, for example. Because if you have a faulty AC compressor in your car, you will not be comfortable as it can get a low temperature inside the car. This guide will help people understand the AC compressor clutch and what it does exactly. This situation means that the refrigerant inside your car keeps on freezing, and it will be solved if you replace or fix the compressor switch. Once installed and operating, Warner Electric clutches require no adjustment or other maintenance.If you see your Ac compressor clutch is always engaged, then it means that you have got a problem in your car. Mount the magnetic field to the compressor faceplate, position the rotor/armature assembly, fasten the retaining capscrew, and connect two wires - the clutch is installed. Warner Electric maintains manufacturing quality standards which have earned accolades from major manufacturers - Chrysler's Pentastar Award, Ford's Q1, and Carrier Transicold's Certified Supplier. Warner Electric clutches are available with either regreasable or sealed bearings. Clutches are tested under extremes of belt tension and temperature ranges and our bearings are tightly specified to maximum life. It also enhances the clutch's ability to continue to operate with grease and dirt on the clutch drive surfaces.īearing life is a critical element in Warner Electric clutch design. More torque means less slip, less wear, and longer life. Superior magnetic circuit design and tight manufacturing tolerances offer the user 30% more torque than is available from other clutches on the market. Warner Electric air conditioning compressor clutches are designed specifically for the rigorous demands of vehicle operation - continuous duty, long service life, and harsh operating environment. Long Life, Trouble Free Operation, Superior Performance Once the continuously rotating rotor, which is belt driven by the engine, magnetically attracts the armature plate, which is keyed and fastened to the compressor shaft, the compressor is engaged and cools the vehicle interior through the air conditioning system. The flux reaches out to similar slots in the armature, magnetically attracting the armature plate to the rotor and continues to pass through the armature/rotor flux poles, rotor inner pole and back to the field assembly. The flux jumps the air gap between the field and the rotor outer pole, where it encounters an air slot or "flux pole" in the rotor. This current concentrates a strong magnetic attraction or "flux" around the coil. When it rises above the preset level, a switch is closed, sending electrical current to the clutch coil. The temperature within the vehicle is thermostatically controlled. The modern air conditioning compressor clutch is an integral part of a completely automated temperature control system. Warner Electric offers a broad selection of clutches to service air-conditioning systems on passenger cars, light trucks, vans, on highway trucks, agricultural equipment, and other specialty markets and equipment.
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