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:
Feb. 11, 1997
Filed:
Sep. 26, 1995
Giovanni Aquino, Kenmore, NY (US);
Ewan Choroszylow, East Aurora, NY (US);
Aurora Technology Corporation, East Aurora, NY (US);
Abstract
An auxiliary drive apparatus which comprises an engine, a first hydraulic pump driven by the engine, a second hydraulic pump driven by the engine and integrally connected to the first hydraulic pump, a third hydraulic pump driven by the engine and integrally connected to the second hydraulic pump, a first pressure limiting valve connected in parallel to the first hydraulic pump, a first vacuum breaking valve connected in parallel to the first hydraulic pump, a first hydraulic motor connected in series to the first hydraulic pump, a second pressure limiting valve connected in parallel to the second hydraulic pump, a second vacuum breaking valve connected in parallel to the second hydraulic pump, a second hydraulic motor connected in series to the second hydraulic pump, a third pressure limiting valve connected in parallel to the third hydraulic pump, a third vacuum breaking valve connected in parallel to the third hydraulic pump, and a third hydraulic motor connected in series to the third hydraulic pump.