Patent · US Active

Hydrostatic transaxle

US8689551B1 · kind B1 · utility

16Cited by
63References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 15, 2013
Grant dateApr 8, 2014
Priority date
Expiry dateApr 15, 2033

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60Y2200/223
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A hydraulic drive unit having a center section for a hydraulic pump and hydraulic motor mounted in a casing. The center section includes a cylindrical protuberance for locating the center section in the casing, and at least one fastener opening formed in the center section for receiving a fastener engaged to the casing. The drive unit may also include a pair of flat surfaces formed on the center section and adapted to mount with features in the casing, and a bypass shaft extending into the casing and at least partially disposed in the center section.

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