Internal unloading structure applied to automobile air compressors
An air compressor and internal unloading technology, which is applied in the field of auto parts, can solve the problems of large oil consumption, etc., and achieve the effects of prolonging service life, reducing processing difficulty, and improving stability and reliability
Active Publication Date: 2016-07-20
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO LTD
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Problems solved by technology
Although this type of cylinder head structure shortens the path of the gas to a certain extent, since the single-cylinder air compressor has no additional cavity to store the compressed gas during unloading, after entering the unloading cavity, the intake air has a certain pressure, so in The power consumption in the unloading stage is much higher than that of the double-cylinder air compressor. In addition, after the oil evaporates, it will be brought into the engine by the intake air to participate in combustion, so the oil consumption is much larger than that of the double-cylinder unloading
Method used
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[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the present invention is not limited to these embodiments.
[0023] Such as Figure 3 to Figure 5 As shown, an internal unloading structure for an automobile air compressor includes a cylinder head 13, a valve seat backing plate 14 and a valve seat plate 15, and the valve seat plate 15 is symmetrically provided with a left unloading cavity 26 and a right unloading chamber with the same structure. Loading chamber 27, a ventilation chamber 28 for connecting the left unloading chamber 26 and the right unloading chamber 27 is arranged between the left and right unloading chambers, the pneumatic signal of the automobile air storage tank enters the left and right unloading chambers through the ventilation chamber 28, The valve seat plate 15 is provided with an air control mechanism for opening or blocking the vent chamber 28; the air cont...
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The invention discloses an internal unloading structure applied to automobile air compressors and belongs to the technical field of automobile parts. The internal unloading structure comprises a valve seat plate, wherein a left unloading cavity and a right unloading cavity with same structures are symmetrically formed in the valve seat plate; a ventilation cavity used for communicating the left unloading cavity with the right unloading cavity is formed between the left unloading cavity and the right unloading cavity; pneumatic signals of an automobile air storage cylinder enter the left unloading cavity and the right unloading cavity via the ventilation cavity; an air control mechanism used for opening or sealing the ventilation cavity is arranged on the valve seat plate. Through the internal unloading structure applied to automobile air compressors, the structure design of the valve seat plate and a cylinder head is simplified; the unloading time is shortened; the processing difficultly and the production cost are greatly reduced.
Description
technical field [0001] The invention belongs to the technical field of auto parts, in particular to an internal unloading structure for an auto air compressor. Background technique [0002] The brake air compressor for automobiles runs continuously with the automobile engine, so it has high working intensity, fast wear and high temperature, especially when it operates under the rated working pressure, it will increase its wear and power consumption. To avoid this phenomenon, an unloading system is usually designed on the cylinder head of the existing air compressor. When the inflation pressure of the air compressor into the air storage tank reaches the rated working pressure, by opening the unloading system on the cylinder head, the air The compressor operates as usual, but it cannot pump air into the air storage tank, but discharges it from the air inlet. Therefore, the air compressor is running at no load, and the power of the air compressor is reduced to the minimum, whic...
Claims
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Patent Timeline
Login to View More IPC IPC(8): F04B39/00F04B39/12F04B49/10F04B49/06
CPCF04B39/00F04B39/125F04B49/06F04B49/10F04B2205/03
Inventor 袁海强
Owner ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO LTD