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.

Date of Patent:
Oct. 06, 1987

Filed:

Jan. 27, 1986
Applicant:
Inventors:

Jorg Dantlgraber, Lohr-Sackenbach, DE;

Josef Budel, Wiestahl-Krommenthal, DE;

Josef Rub, Lohr-Steinbach, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ; F04B / ; F04C / ; F04C / ;
U.S. Cl.
CPC ...
417204 ; 417220 ; 418 31 ;
Abstract

The invention relates to a vane pump having input and output slot means. Either the input slot means or the output slot means are designed such that for a movement of the cam ring into a position of zero excentricity the area of overlap between the input slot means and the output slot means is increased.


Find Patent Forward Citations

Dantlgraber, Jorg. (1987). Variable capacity vane pump with means to vary the area of overlap (U.S. Patent No. 4697990). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4697990

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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