Rotary compressor

A rotary compressor and compressor technology, which is applied in the field of HVAC, can solve problems such as the decrease of the heating capacity of the compressor, the reduction of the unit suction capacity of the compressor, and the large suction-to-exhaust pressure ratio of the compressor, so as to reduce fluid leakage and friction Loss, increase heating and cooling capacity, increase the effect of unit suction

Active Publication Date: 2012-09-26
ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION
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Problems solved by technology

[0002] Refrigerants such as R22, R410A, etc., due to the increase in specific volume at ultra-low temperatures, the unit suction capacity of the compressor decreases, resulting in a significant drop in the heating capacity of the compressor, and due to the decrease in the suction capacity of the refrigerant, the u

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[0029] Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0030] The direction of the arrow in the figure represents the direction of refrigerant flow.

[0031] from figure 1 As can be seen from the figure, according to the embodiment of the present invention, the rotary compressor includes a compressor body 10 and an enthalpy increasing tube assembly 20 connected to the compressor body 10, wherein the compressor body 10 includes a crankshaft 11; Flange 12; cooperate with the crankshaft, and be arranged on the low-pressure cylinder 13 of lower flange 12 upstream; The partition 15 separates the suction chamber and the compression chamber of the low-pressure cylinder 13 from the suction chamber and the high-pressure chamber of the high-pressure cylinder 14 ...

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Abstract

The invention provides a rotary compressor. The rotary compressor comprises a compressor body (10) and an enthalpy increase pipe assembly (20) connected to the compressor body (10). A ratio of a pore cross-section of an input terminal of an enthalpy increase pipe (21) in the enthalpy increase pipe assembly (20) to that of an enthalpy increase pore (16) is 0.7-1.2, and the enthalpy increase pore has a diameter of 0.1-3.0 mm. The rotary compressor of the invention can increase a unit suction intensity of the compressor under ultralow temperature, enhance lubrication and cooling functions of an internal pump body and a motor of the compressor, and improve reliability of the compressor.

Description

technical field [0001] The invention relates to the field of heating and ventilation, in particular to a rotary compressor. Background technique [0002] Refrigerants such as R22, R410A, etc., due to the increase in specific volume at ultra-low temperatures, the unit suction capacity of the compressor decreases, resulting in a significant drop in the heating capacity of the compressor, and due to the decrease in the suction capacity of the refrigerant, the unit The flow rate is reduced, and the lubrication and cooling effect on the pump body and motor inside the compressor is not good. The limitation of the compressor will cause large leakage and friction loss. The above factors lead to unsatisfactory performance and reliability of the compressor at low temperature. Contents of the invention [0003] The present invention aims to provide a rotary compressor, which can increase the unit suction capacity of the compressor at ultra-low temperature, enhance the lubrication an...

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Application Information

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IPC IPC(8): F04C29/00F04C23/00
Inventor 邹鹏
Owner ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION
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