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.:

US 10544877 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 28, 2020

Filed:

Mar. 01, 2018
Applicant:

Robert Bosch Gmbh, Stuttgart, DE;

Inventor:

Liebhart Zaiser, Karlstadt, DE;

Assignee:

Robert Bosch GmbH, Stuttgart, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 11/07 (2006.01); F16K 31/06 (2006.01); F16K 3/34 (2006.01); G05D 16/20 (2006.01);
U.S. Cl.
CPC ...
F16K 31/0693 (2013.01); F16K 3/34 (2013.01); F16K 31/0613 (2013.01); F16K 11/0716 (2013.01); G05D 16/2024 (2019.01); Y10T 137/86702 (2015.04);
Abstract

A pressure regulating valve includes a housing, control slide valve, coupling rod, armature, outlet port, and pressure transmission pin. The armature demarcates a first fluid space and a second fluid space from each other. The rod extends with a constant first outer cross-sectional shape in a direction of a longitudinal axis, and at least partially demarcates a third fluid space that fluidically connects the first fluid space to the outlet port. The pin extends with a constant second outer cross-sectional shape in the direction of the longitudinal axis, and at least partially delimits the third fluid space. The pin is positioned so that one end facing toward the armature projects into the control slide valve, and another end facing away from the armature is at least indirectly supported against the housing. A hydraulically effective area of the second shape is larger than a hydraulically effective area of the first shape.


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