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公开(公告)号:US2661701A
公开(公告)日:1953-12-08
申请号:US77779447
申请日:1947-10-03
Applicant: OILGEAR CO
Inventor: WALTER FERRIS
CPC classification number: F01B3/0041 , F01B3/0032 , F01B3/0052 , F01B3/0055 , F01B3/0064 , F01B3/0067 , F01B3/0073 , F01B3/0085 , F01B3/109 , F04B23/106 , F04B49/002
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公开(公告)号:US2661695A
公开(公告)日:1953-12-08
申请号:US17519050
申请日:1950-07-21
Applicant: OILGEAR CO
Inventor: WALTER FERRIS
IPC: F04B1/20
CPC classification number: F04B1/2035 , F04B1/2042 , F04B1/2085
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23.Spring for urging outward the vanes of vane type hydrodynamic machines 失效
Title translation: 用于向外推动叶片式流体动力机叶片的弹簧公开(公告)号:US2632398A
公开(公告)日:1953-03-24
申请号:US71424846
申请日:1946-12-05
Applicant: OILGEAR CO
Inventor: WALTER FERRIS
IPC: F01C21/08
CPC classification number: F01C21/0845
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24.Hydraulic transmission with variable displacement pump, throttled outflow from motor, and leakage compensation 失效
Title translation: 带可变排量泵的液压变速器,电机节流流出和泄漏补偿公开(公告)号:US2548147A
公开(公告)日:1951-04-10
申请号:US9317049
申请日:1949-05-13
Applicant: OILGEAR CO
Inventor: WALTER FERRIS
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公开(公告)号:US2501165A
公开(公告)日:1950-03-21
申请号:US61225245
申请日:1945-08-23
Applicant: OILGEAR CO
Inventor: WALTER FERRIS
CPC classification number: F01B1/0689 , F01B13/065 , F03C1/0444
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公开(公告)号:US2462734A
公开(公告)日:1949-02-22
申请号:US57987845
申请日:1945-02-26
Applicant: OILGEAR CO
Inventor: WALTER FERRIS
IPC: F16L39/06
CPC classification number: F16L39/06
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公开(公告)号:US2273468A
公开(公告)日:1942-02-17
申请号:US30035339
申请日:1939-10-20
Applicant: OILGEAR CO
Inventor: WALTER FERRIS
CPC classification number: F03C1/0444 , F01B1/0655 , F01B1/0689 , F01B13/061 , F01B13/065
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公开(公告)号:US2214552A
公开(公告)日:1940-09-10
申请号:US13420537
申请日:1937-04-01
Applicant: OILGEAR CO
Inventor: WALTER FERRIS
IPC: F04B49/12
CPC classification number: F04B49/128
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公开(公告)号:US2097857A
公开(公告)日:1937-11-02
申请号:US67301833
申请日:1933-05-26
Applicant: OILGEAR CO
Inventor: WALTER FERRIS , DOUGLAS JAMES K , FOBIAN GEORGE H
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