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. 27, 1976
Filed:
Jul. 15, 1974
Applicant:
Inventor:
Erik Volmar Lavon, Saltsjo-Boo, SW;
Assignee:
Atlas Copco Aktiebolag, Nacka, SW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137 14 ; 251 76 ; 417241 ;
Abstract
A method of and arrangement for feeding pressure fluid in pulses through a valve according to which the valve body is caused to momentarily lift from its seat by means of impulse waves generated in the valve housing by impacts thereagainst.