发明授权
- 专利标题: Hydraulic equipment
- 专利标题(中): 液压设备
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申请号: US11369978申请日: 2006-03-08
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公开(公告)号: US07305822B2公开(公告)日: 2007-12-11
- 发明人: Takeshi Ouchida , Shuji Shiozaki , Hidekazu Niu , Hiroshi Matsuyama
- 申请人: Takeshi Ouchida , Shuji Shiozaki , Hidekazu Niu , Hiroshi Matsuyama
- 申请人地址: JP Osaka
- 专利权人: Yanmar Co., Ltd.
- 当前专利权人: Yanmar Co., Ltd.
- 当前专利权人地址: JP Osaka
- 代理机构: Sterne, Kessler, Goldstein & Fox P.L.L.C.
- 优先权: JP2003-317071 20030909
- 主分类号: F15B31/02
- IPC分类号: F15B31/02
摘要:
The present invention relates to hydraulic equipment comprising input shaft (2) and output shaft; first and second plungers (8, 10) and first and second spool valves (9, 11) which are moved reciprocally axially; a cylinder block (7) which houses the plungers and spool valves and is rotated integrally with the input shaft; an input side swash plate (6) which touches the first plungers; and an output side swash plate (12) which touches the second plungers and is rotated integrally with the output shaft. The purpose of the present invention is to reduce number of parts concerning to the accuracy of the reciprocal movement of the first and second spool valves.Spool valve guides (37 and 47) on which guide grooves (37b and 47b) slanted against axis of the rotary shaft are formed, and the first or second spool valve is engaged with a holding member (38 or 48) attached to the guide groove or the guide groove.
公开/授权文献
- US20060174617A1 Hydraulic equipment 公开/授权日:2006-08-10
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