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:
Jan. 07, 1992
Filed:
Jul. 24, 1990
Applicant:
Inventors:
Norbert Rittmannsberger, Stuttgart, DE;
Gerhard Wetzel, Stuttgart, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B60T / ;
U.S. Cl.
CPC ...
3031 / ;
Abstract
A vacuum motor having a first chamber and a second chamber that in the actuation direction is disposed following a dividing movable wall, a third chamber is provided preceding the first chamber. Upon the occurrence of a traction control situation, the third chamber is moved into a connection between a magnetic assembly which is connected to atmospheric pressure and the first chamber. The second chamber is at the same time connected to a negative pressure source. By way of a pressure drop between the first and second chambers, an adjusting force acting upon a multi-circuit master cylinder is generated for traction control.