Title:
FUEL JET PUMP FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JPS6088865
Kind Code:
A
Abstract:
A fuel injection pump for supplying fuel to the cylinders of the internal combustion engine comprises a housing, a cylindrical sleeve inserted in the housing and provided with a single filling opening communicated with a fuel-feeding passage, and a piston rotatably and reciprocally slidable in the cylindrical sleeve. An end face of the piston encloses with the closing element of the pump a pump operation chamber which is filled with fuel from the filling opening through a number of longitudinal grooves formed in the piston. The longitudinal grooves are in communication with a central relief opening by means of a plurality of radial connecting passages formed in the piston.
Inventors:
HAINTSU NOOTODOURUFUTO
Application Number:
JP19701084A
Publication Date:
May 18, 1985
Filing Date:
September 21, 1984
Export Citation:
Assignee:
BOSCH GMBH ROBERT
International Classes:
F02M41/12; F02M63/02; (IPC1-7): F02M41/12
Attorney, Agent or Firm:
Toshio Yano