Patent · US Expired

Lubricant pump and method of producing

US6592348B1 · kind B1 · utility

7Cited by
16References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 27, 2002
Grant dateJul 15, 2003
Priority date
Expiry dateMar 27, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49242
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A rotary type lubrication pump for a vehicle transfer case and a method of producing the lubrication pump, the lubrication pump having an inner gear and an outer gear produced by molding a synthetic polymer, and a pump body and a pump cover produced by stamping steel.

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