Booster type air-oil pressure converter

阅读:13发布:2023-10-01

专利汇可以提供Booster type air-oil pressure converter专利检索,专利查询,专利分析的服务。并且PURPOSE: To improve the reliability of the operation by preventing the leakage of compressed air from an air chamber to an oil chamber adjacent to the oil chamber, in a system for compressing the operating oil within the oil chamber at the small- diameter part of a stepped cylinder by the sliding of a stepped plunger by the air pressure.
CONSTITUTION: When compressed air of a compressed air source 33 is introduced into an air chamber A
2 of booster type air-oil pressure converter 20 through a change-over valve 30 and a flowpath 32, and, at the same time, compressed air within an air chamber A
1 is discharged into the atmosphere through a flowpath 31 and a silencer 34, a plunger 22 is pressed upwards. Upon this occasion, when a change-over valve 40 is changed over to the left-hand position, the plunger 22 is upwardly moved towards an oil chamber R
0 , and the operating oil within the oil chamber R
0 is introduced into an upper oil chamber 12 of an actuator 10 through oil passages 41 and 43, thus a piston 11 being moved downward. In this case, seal rings 51 and 52 are arranged at a stopped part 21b of a stepped cylinder 21 supporting the plunger 22, and an annular groove 53 is provided between both seal rings 51 and 52. The annular groove 53 is communicated with a reservoir 24 through a communicating hole 54.
COPYRIGHT: (C)1981,JPO&Japio,下面是Booster type air-oil pressure converter专利的具体信息内容。

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