Patent · US Expired

Bypass mechanism for a hydraulic drive device

US7121092B1 · kind B1 · utility

23Cited by
29References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 16, 2005
Grant dateOct 17, 2006
Priority date
Expiry dateAug 16, 2025

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60K17/105
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A pair of zero-turn, hydrostatic transaxles (HZTs) that may be joined to form an integrated, zero-turn, hydrostatic transaxle. Each of the hydrostatic transaxles are further comprised of a casing carrying a hydraulic pump driven by an input shaft, a hydraulic motor driven by a the hydraulic pump through porting contained within a center section, and an axle shaft driven by the hydraulic motor. The hydrostatic transaxles are joined along an interface extending generally perpendicularly to the axle shafts.

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