Hydraulic device

Details Hydraulic device Hydraulic device

2007-12-25

2007-12-25

Lazo, Thomas E. (Department: 3745)

Expansible chamber devices

Displacement control of plural cylinders arranged in...

Parallel cylinders

C091S499000

Reexamination Certificate

active

10889289

ABSTRACT:
The invention relates to a hydraulic device having, in a housing, a rotor, which can rotate about a first axis, with pistons, drum sleeves, which can rotate about a second axis and have a chamber formed by a cylindrical wall and a piston. Between the housing and the drum sleeves there is a face plate. The chamber is connected to a line connection via a first passage, of which a face-plate port forms part. Between the face plate and the drum sleeve there is a drum plate which can rotate with the drum sleeves and has drum ports which form part of the first passage.

REFERENCES:
patent: 3434429 (1969-03-01), Goodwin
patent: 3648567 (1972-03-01), Clark
patent: 4703682 (1987-11-01), Hansen
patent: 4776257 (1988-10-01), Hansen
patent: 5249506 (1993-10-01), Willimczik
patent: 5636561 (1997-06-01), Pecorari
patent: 2 130 514 (1972-12-01), None
patent: 35 19 783 (1986-12-01), None

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