Expansible chamber devices – Mutually relatively movable cylinder or sleeve – member... – Cylinder or sleeve forms working member
Patent
1989-09-26
1991-01-22
Capossela, Ronald C.
Expansible chamber devices
Mutually relatively movable cylinder or sleeve, member...
Cylinder or sleeve forms working member
123 9055, F01B 720
Patent
active
049861662
ABSTRACT:
The present invention relates to a hydraulic valve lash adjuster with which a cam engages directly and in which an oil-introducing chamber can be easily cleaned by a fluid or gas jet stream. In the valve lash adjuster in accordance with the present invention, the cylinder sleeve is formed through its lateral wall with a plurality of openings, and an annular oil-introducing chamber defined between the body and cylinder sleeve is communicated through the openings with the reservoir and consequently with the high pressure chamber. With the above construction of the invention, an extraneous substance such as chips and particles can be removed from the oil-introducing chamber along a fluid jet stream. Thus, since the oil-introducing chamber can be easily and perfectly cleaned by a jet stream during the manufacturing process and moreover during any overhaul work thereafter, reliability and maintainability of the product is markedly improved.
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patent: 4708103 (1987-11-01), Speil
patent: 4729350 (1988-03-01), Speil
Capossela Ronald C.
Fuji Valve Co., Ltd.
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