A multi-stage compression air compressor

An air compressor and compression technology, which is applied in the direction of multi-stage pumps, liquid variable capacity machinery, mechanical equipment, etc., can solve problems such as poor compression effect, high energy consumption, and unstable exhaust volume, so as to improve quality, The effect of uniform discharge amount and waste reduction
CN104047826BActive Publication Date: 2016-06-08江苏昊科汽车空调有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
江苏昊科汽车空调有限公司
Publication Date
2016-06-08

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Abstract

The invention relates to a multi-stage compression air compressor, which includes a casing, a primary compression cylinder, a secondary compression cylinder, and a crankshaft; the crankshaft is rotatably connected to the casing, and the crankshaft includes two The bending parts are respectively bending part A and bending part B. The piston rod of the first-stage compression cylinder is rotatably connected with the bending part A, and the piston rod of the second-stage compression cylinder is rotatably connected with the bending part B; the first-stage compression cylinder and the second-stage compression cylinder The volumes are equal, the length of the first-stage compression cylinder is half of the second-stage compression cylinder, and the radial length of the bending part B is twice that of the bending part A; the closed end of the first-stage compression cylinder is provided with a The air intake check valve A is connected to the device pipeline, and a discharge check valve A connected to the second-stage compression cylinder is also provided on the first-stage compression cylinder, and an intake air connection connected to the first-stage compression cylinder is provided on the second-stage compression cylinder. The one-way valve B is also provided with an exhaust one-way valve B connected with the expansion valve in the second-stage compression cylinder.
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Description

technical field

[0001] The invention relates to a multi-stage compression air compressor, which belongs to the field of vehicle-mounted equipment. Background technique

[0002] The traditional air compressor only performs single-stage compression on the refrigerated liquid, and the compression effect is poor, and the energy consumption is huge, and the displacement is not stable. Contents of the invention

[0003] The technical problem to be solved by the present invention is to provide a multi-stage compression air compressor by overcoming the technical problems in the prior art.

[0004] The technical solution adopted by the present invention to solve its technical problems is:

[0005] A multi-stage compression air compressor, including a casing, a first-stage compression cylinder, a second-stage compression cylinder, and a crankshaft;

[0006] The first-stage compression cylinder and the second-stage compression cylinder are installed in the casing, and the crankshaf...

Claims

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