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:
Sep. 19, 1978
Filed:
Nov. 24, 1976
Applicant:
Inventors:
Alexandr Vasilievich Bykov, Moscow, SU;
Igor Martynovich Kalnin, Moscow, SU;
Vsevolod Sergeevich Scherbakov, Moscow, SU;
Igor Andreevich Gruzintsev, Moscow, SU;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417559 ;
Abstract
A suction valve, preferably with a plate closing member, is made without any mechanical spring members and comprises a plate travel damper in the form of freely movable valve plate arranged on one or both sides of a pressure accumulating chambers having metering orifices through which flows gas under a mean pressure towards the closing orifice, a gas cushion is created to damp the travel of the plate.