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:
Mar. 13, 1979
Filed:
May. 18, 1977
Applicant:
Inventor:
Gualtiero Divisi, Milan, IT;
Assignee:
Dropsa S.p.A., , IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ; F04B / ; F16N / ;
U.S. Cl.
CPC ...
417-3 ; 417 17 ; 417 38 ; 417 63 ; 417315 ; 184 / ;
Abstract
A device is described and shown for supplying tandem line fluid systems, the device comprising pumping means driven by an electric motor and a slide valve for alternately supplying the pressure fluid to either of the two lines, wherein the pump slide valve is controlled by using as the above motor a reversibly rotating type of electric motor, transmitting torque in one direction for controlling through a one-way drive clutch the pump, and in the other direction the slide valve through a second one-way drive clutch transmitting the torque in the opposite direction.