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:
Apr. 18, 1995
Filed:
Jan. 18, 1994
Applicant:
Inventor:
Michael Smolong, Hamburg, DE;
Assignee:
Sauer Inc., Ames, IA (US);
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
13751625 ; 1375135 ;
Abstract
A hydraulic fluid pressure operated control mechanism for controlling of hydraulic systems has a housing with a flow through cross-sectional area restricted by a drill hole in an open position of the control mechanism and a seat engageable by a throttle device for restricting the flow through cross-sectional area in a closed or throttling position of the control mechanism. The inwroughted seat for the throttle device is located in the conical bottom of a bore and has the form of a frustum of a pyramid having a plurality of sides.