Patent · US Active

Grease pump unit

US9315372B2 · kind B2 · utility

10Cited by
6References
5Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJan 17, 2012
Grant dateApr 19, 2016
Priority date
Expiry dateJul 23, 2032

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/2931
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A grease pump unit has a metering valve 37 and a grease supplying device 50 in which a suction tube 16 on a pump device 11 extends through a follower plate 19 in a grease can 100, grease in the grease can 100 being sucked through the suction tube 16 and discharged through a discharge port 17 by activation of the pump device 11. Provided are a bubble dividing device 32 which supplies the grease discharged through the discharge port 17 through an supply pipe 24 to micronize bubbles in the grease and which supplies the grease through a supply pipe 36 to the metering valve 37, and a return pipe 47 which returns a portion of the grease not discharged through the metering valve 37 into the grease can 100 via the follower plate 19.

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