Axial piston machine

Details Axial piston machine Axial piston machine

2004-10-22

2009-10-06

Lazo, Thomas E (Department: 3745)

Expansible chamber devices

Relatively movable working members

Interconnected with common rotatable shaft

C092S057000

Reexamination Certificate

active

07597042

ABSTRACT:
The invention relates to an axial position machine (1) comprising cylinder bores (9) that are located in a cylinder drum (4), pistons (10) that can be axially displaced in said boxes (9) and helical compression springs (22) that are provided in the cylinder bores (9). Each piston (10) is pre-stressed against a swash plate (22), which is supported on the cylinder drum (4). The diameter of the helical compression spring (22) narrows (23) between the upper and lower ends.

REFERENCES:
patent: 2331694 (1943-10-01), Jeffrey et al.
patent: 3636821 (1972-01-01), Rystrom
patent: 6196109 (2001-03-01), Zumbusch et al.
patent: 28 53 493 (1979-06-01), None
patent: 44 23 023 (1996-01-01), None
patent: 299 20 632 (2001-05-01), None
patent: 622346 (1949-04-01), None

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