Patent · US Expired

Hydraulic motor

US6186046A · kind A · utility

4Cited by
5References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 19, 1998
Grant dateFeb 13, 2001
Priority date
Expiry dateJun 19, 2018

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04B53/22
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A hydraulic motor comprises a fixed case, a reaction member secured to the case, a cylinder block mounted to rotate relative thereto about an axis of rotation, and an internal fluid distributor prevented from rotating about the axis relative to the case. The case has a "distribution cover" portion situated around the have respective first and second housings are formed to received a pin which prevents relative rotation while allowing the distribution cover in an axial direction, thereby preventing the distributor from separating from the cover while the motor is being assembled.

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