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. 30, 1996
Filed:
Feb. 10, 1995
Bernd Niethammer, Nurtingen, DE;
Hydraulik-Ring Antriebs- und Steueringstechnik GmbH, Nurtingen, DE;
Abstract
A proportional solenoid valve has a casing with a receiving chamber. A valve housing is received in the receiving chamber. A solenoid with a push rod is connected to the valve housing, A piston is positioned in the valve housing so as to be slidable. At least one pressure spring is positioned at one end of the piston opposite the solenoid. The piston is displacable by the push rod of the solenoid against the force of the at least one pressure spring. The receiving chamber has a longitudinal extension and a constant diameter along the longitudinal extension. Flanges are provided for connecting the valve housing to the casing and the solenoid.