Patent · US Expired

Dual pump apparatus comprising dual drive shafts and auxiliary pump

US6672843B1 · kind B1 · utility

78Cited by
16References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 8, 2002
Grant dateJan 6, 2004
Priority date
Expiry dateApr 11, 2022

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04B23/106
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A dual pump apparatus for use on a vehicle or industrial application having a housing in which a pair of hydraulic pumps are mounted, having by at least one charge pump mounted on an end cap, and the trunnion arms for controlling the hydraulic pumps extending out of opposite sides of the housing. A cooling fan may be mounted on the primary or secondary input shaft on the opposite side of the pulley used to engage the prime mover. An auxiliary pump may also be mounted on the primary input shaft and may be located either at the input end thereof adjacent to the pulley, or on the opposite side of the housing.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.