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:
Aug. 09, 1994
Filed:
Sep. 24, 1992
Terrence L Thompson, Minneapolis, MN (US);
Jack W Gresham, Armuchee, GA (US);
Viking Engineering & Development, Incorporated, Fridley, MN (US);
Abstract
The present invention includes a method for improving operating efficiency of a hydraulic actuator loop and an improved hydraulic actuator loop. The method includes transferring hydraulic fluid between a first and a second hydraulic actuator when the actuators are disengaged from a load and transferring hydraulic fluid from an energy source to each of the actuators separately when the actuators engage the load. The method also includes transferring fluid from the energy source to the first actuator when the actuators are approaching the load and transferring fluid from the first actuator to a drain when the actuators are retracting from the load.