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:
Dec. 06, 1988
Filed:
Jun. 08, 1987
Applicant:
Inventors:
William C Kruckemeyer, Xenia, OH (US);
Wayne V Fannin, Xenia, OH (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16F / ; F16F / ;
U.S. Cl.
CPC ...
188299 ; 188319 ; 18832222 ;
Abstract
A hydraulic damper for adjusting the damping force which incorporates a piston operatively for stroking movement within a cylinder and partitioning the cylinder into separate chambers with first fluid flow control valving interconnecting said chambers for determining said damping force of said unit and fluid bypass passage extending through said neck portion of said piston for controlling the effective passage area of the bypass passage and generating a family of curves for controlling and selecting the damping force of the damper.