The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 23, 1988
Filed:
Jul. 16, 1987
Ludwig Wagenseil, Vohringen, DE;
Hydromatik GmbH, Elchingen, DE;
Abstract
With the object of improving the flushing arrangement in an axial piston machine for use in a closed-circuit hydrostatic drive, having a control member (18) that controls the working cycle of the axial piston machine (1) and having a circuit flushing arrangement (31) that includes a flushing valve (33) that is arranged in the control member (18), can be acted on by high pressure and connects the low pressure line (37 or 38) with a return line (44), the valve body of the flushing valve (33) comprises a cylindrical sleeve valve (34) displaceably mounted in a guide bore (35) directly between the high pressure duct (38) and the low pressure duct (37) in the control member (18), the guide bore being connected with the free space (23) of the housing (2) of the axial piston machine in the region of the sleeve valve (34) by a connecting duct (44).