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Category: Compressors

Compressors

HVAC Scroll compression process

Posted on January 16, 2011November 12, 2012 by admin

Figure 9-81 shows how the spiral-shaped members fit together. Abetter view is shown in Fig. 9-82. The two members fit together forming crescent-shaped gas pockets.…

Compressors

HVAC Scroll Compressors

Posted on January 16, 2011November 12, 2012 by admin

The scroll compressor (Fig. 9-80) is being used by the industry in response to the need to increase the efficiency of air-conditioning equipment. This is…

Compressors

HVAC Twin screw compressors

Posted on January 16, 2011November 11, 2012 by admin

The twin screw is the most common type of screw compressor used today. It uses a double set of rotors (male and female) to compress…

Compressors

HVAC Single screw compressors

Posted on January 16, 2011November 12, 2012 by admin

A single screw compressor is shown in Fig. 9-77. The compression process starts with the rotors meshed at the inlet port of the compressor. The…

Compressors

HVAC Screw Compressors

Posted on January 16, 2011November 11, 2012 by admin

Screw compressors operate more or less like pumps, and have continuous flow refrigerant compared to reciprocals. Reciprocal have pulsations. This results in smooth compression with…

Compressors

HVAC Rotating blade rotary compressors

Posted on January 16, 2011November 11, 2012 by admin

The rotating blade rotary compressor has its roller centered on a shaft that is eccentric to the center of the cylinder. Two spring-loaded roller blades…

Compressors

Stationary blade rotary compressors

Posted on January 16, 2011November 12, 2012 by admin

The only moving parts in a stationary blade rotary compressor are a steel ring, an eccentric or cam, and a sliding barrier (see Fig. 9-71).…

Compressors

HVAC Process Tubes

Posted on January 16, 2011November 20, 2012 by admin

Process tubes are installed in compressor housings at the factory as an aid in factory dehydration and charging. These can be used in place of…

Compressors

HVAC Compressor Connections and Tubes

Posted on January 16, 2011November 22, 2012 by admin

Tecumseh, like other compressor manufacturers, made compressors for many manufacturers of refrigerators, air-conditioning systems, and coolers. Because of this, the same compressor model may be…

Compressors

Hermetic Compressor Motor Types

Posted on January 11, 2011November 22, 2012 by admin

There are four general types of single-phase motors. Each has distinctly different characteristics. Compressor motors are designed for specific requirements regarding starting torque and running…

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