Device for managing the displacement of a hydraulic motor or...

Details Device for managing the displacement of a hydraulic motor or... Device for managing the displacement of a hydraulic motor or...

2006-10-02

2011-10-11

Lazo, Thomas E (Department: 3745)

Motors: expansible chamber type

Three or more cylinders arranged in parallel radial or...

Radially disposed cylinders

C091S519000, C060S468000

Reexamination Certificate

active

08033210

ABSTRACT:
A motor having two series of distribution ducts each having two groups of ducts. The displacement selector is able to occupy a large displacement position in which the first groups of distribution ducts of the first series are connected to a main duct while the second groups are connected to the other main duct, and a small displacement configuration in which the first group of distribution ducts of the first series is connected to a main duct, the second group of distribution ducts of the first series is connected to the other main duct and a bypass connection exists between the first and the second group of distribution ducts of the second series. The device has a restriction in order, in the small displacement configuration, to restrict this bypass connection.

REFERENCES:
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patent: 6099273 (2000-08-01), Allart et al.
patent: 6318235 (2001-11-01), Allart et al.
patent: 6338247 (2002-01-01), Drin
patent: 7185579 (2007-03-01), Allart et al.
patent: 2 836 960 (2003-09-01), None
International Search Report—PCT/FR2006/050071.

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