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Compressor capacity modulation system and method

A compressor system and compressor technology, applied in the field of compressors, can solve problems such as reduced compressor efficiency

Inactive Publication Date: 2011-07-06
EMERSON CLIMATE TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the efficiency of the compressor decreases as the suction pressure decreases

Method used

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  • Compressor capacity modulation system and method
  • Compressor capacity modulation system and method
  • Compressor capacity modulation system and method

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Embodiment Construction

[0014] Referring to the drawings, a capacity modulation system 10 is provided for a compressor 12 . Capacity adjustment system 10 selectively loads compressor 12 to adapt compressor capacity to system demand. Compressor 12 may be a scroll compressor incorporating a medium pressure biasing system as shown in U.S. Patent No. 6,821,092 in the name of the assignee or may be a scroll compressor incorporating a discharge pressure compressor as shown in U.S. Patent No. 6,213,731 in the name of the assignee. Scroll compressors for offset systems, the contents of these two patents are hereby incorporated by reference. While a scroll compressor is described in association with capacity modulation system 10, capacity modulation system 10 may also be used with other types of compressors, including reciprocating compressors, such as shown in U.S. Patent No. 6,206,652 in the name of the assignee compressor, the contents of which are incorporated herein by reference.

[0015] refer to fig...

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PUM

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Abstract

A compressor system includes a compressor having an inlet, a first conduit fluidly coupled to the inlet, an accumulator fluidly coupled to the inlet by a second conduit, and a first valve disposed in the second conduit that prevents fluid communication between the accumulator and the inlet in a closed state and permits fluid communication between the accumulator and the inlet in an open state.

Description

technical field [0001] The present invention relates to compressors, and more particularly to capacity modulated compressors. Background technique [0002] Compressors are widely used in industrial and domestic applications to circulate a refrigerant within refrigeration, heat pump, HVAC or refrigeration systems (collectively referred to as "refrigeration systems") in order to provide desired heating or cooling. In any of the foregoing uses, the compressor may be used in conjunction with a capacity modulation system that adjusts the capacity of the compressor based on system demand. [0003] Conventional capacity modulation systems selectively regulate the ability of the compressor to circulate refrigerant through the refrigeration system and thus regulate the ability of the refrigeration system to absorb and release heat. Conventional capacity adjustment systems can thus be used to adjust the capacity of the refrigeration system based on desired heating and / or cooling requ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B41/04F04B49/08
CPCF25B49/022F25B41/043F25B2600/2521F25B2600/0261F25B2600/2501F25B2500/28F25B41/22F25B49/02F25B1/00
Inventor 胡文威黎冠文刘家耀
Owner EMERSON CLIMATE TECH INC
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