Radial-piston pump for internal combustion engine fuel

Details Radial-piston pump for internal combustion engine fuel Radial-piston pump for internal combustion engine fuel

1993-04-23

1994-10-25

Gluck, Richard E.

Pumps

Expansible chamber type

Having pumping chamber pressure responsive distributor

417273, F04B 2100, F04B 104

Patent

active

053583833

ABSTRACT:
A pump having a number of radial cylinders each housing a sliding piston. Each cylinder is closed by a respective head, and comprises an intake valve and a delivery valve having respective seats inside a plate. The intake valve is located at the end of an intake channel having a first portion through the plate, a second portion formed between the head and the plate and perpendicular to the axis of the cylinder, and a third portion parallel to the cylinder axis. The delivery valve presents a truncated-cone-shaped seal communicating with the pumping chamber via a conduit also extending through the plate; and the two plungers are made of ceramic and guided by a respective retainer.

REFERENCES:
patent: 2306818 (1942-12-01), King
patent: 2472355 (1949-06-01), Whittingham
patent: 2642748 (1953-06-01), Widmer
patent: 3849032 (1974-11-01), Mulvey et al.
patent: 3912421 (1975-10-01), Gelin
patent: 4530319 (1985-07-01), Monda
patent: 5131818 (1992-07-01), Wittkop et al.
patent: 5178184 (1993-01-01), Skillman
patent: 5253987 (1993-10-01), Harrison
patent: 5277553 (1994-01-01), Stolpp

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