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:
Mar. 16, 2004
Filed:
Mar. 28, 2002
Applicant:
Inventors:
Assignee:
ZF Friedrichshafen AG, Friedrichshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 1/512 ;
U.S. Cl.
CPC ...
F16J 1/512 ;
Abstract
The hydraulic control device for accommodating electromagnetic actuators and hydraulic valves, which is inserted in an automatic transmission for a motor vehicle, has at least one seal which is made of an aluminum support which has a thickness in the range of from 1 to 2 mm and is coated with a material at least on one side; the material, having a layer thickness in the range of from 100 to 180 &mgr;m, has a hardness in the range of from 20 to 120 Shore A and on its free surface is provided with a profiling having a depth in the range of from 20 to 50 &mgr;m.