Method and hydromachine for controlling a displacement

Details Method and hydromachine for controlling a displacement Method and hydromachine for controlling a displacement

2007-03-13

2007-03-13

Lazo, Thomas E. (Department: 3745)

Power plants

Pressure fluid source and motor

Input pump and rotary output motor system having...

C418S060000

Reexamination Certificate

active

11107196

ABSTRACT:
The invention concerns a method and a hydromachine with a commutation device and with expanding and contracting pressure chambers passed by fluid and formed by displacement arrangements. With the method and the hydromachine, it is endeavoured to control a displacement in the hydromachine to keep pressure fluctuations small. For this purpose, the hydromachine has a group of devices, comprising a commutation device and at least two displacement devices, at least two of the devices being adjusted in relation to each other.

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patent: 4875841 (1989-10-01), White, Jr.
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patent: 6544018 (2003-04-01), Heckel et al.
patent: 6568930 (2003-05-01), Schmidl et al.
patent: 2 128 711 (1972-03-01), None
patent: 1 95 36 061 (1997-04-01), None
patent: 1 045 147 (2000-10-01), None
patent: WO 97/12124 (1997-04-01), None

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