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:
Dec. 11, 2001
Filed:
Sep. 09, 1999
Robert Bosch GmbH, Stuttgart, DE;
Abstract
In a proposed electromagnetic pressure regulating valve (,), the functional characteristics of a pressure regulating valve are combined with those of a switching valve. The pressure regulating valve (,) can be used in particular to control automatic transmissions in motor vehicles and is characterized by reduced manufacturing costs, reduced leakage and an operating range which is expanded for reduced operating pressures and with a continuous characteristic line. For this purpose, the valve part (,) of the pressure regulating valve (,) has a first seat valve (,) with a closing element (,). This closing element (,) cooperates with an actuating element (,) which has a control edge (,) to form a second seat valve (,).