Patent · US Expired

Fuel supply pump and tappet structural body

US7497157B2 · kind B2 · utility

10Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 7, 2005
Grant dateMar 3, 2009
Priority date
Expiry dateSep 23, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/2107
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

The present invention provides a fuel supply pump which is suitably used in a booster-type accumulator fuel injection device and a tappet structural body which is suitable for the fuel supply pump. For this end, in a tappet structural body which includes a roller and a tappet body portion which houses a roller therein and a fuel supply pump provided with the tappet structural body, the roller is rotatably held on a roller receiver of the tappet body portion and the tappet structural body includes a plate-like or a wire-like restricting means which restricts the movement of the roller in the rotary axis direction.

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