Choke pin nozzle

Details Choke pin nozzle Choke pin nozzle

1980-07-28

1983-03-01

Marbert, James B.

Fluid sprinkling, spraying, and diffusing

With cleaning means, drip collecting, waste disposal or soil...

Nozzle cleaner, flusher or drainer

239453, 239456, 2395339, 23953312, B05B 1502

Patent

active

043752748

ABSTRACT:
A choke pin nozzle for diesel engines in which the choke pin is arranged on a nozzle needle. The nozzle needle is axially guided in a fitted bore in a nozzle body and is braced, through a separate spring plate, on a helicoidal compression spring disposed in a spring chamber or cavity of the nozzle. The spring plate is formed as a component of an intermediate piston which is connected on the nozzle side and guided axially with a seal in a portion of the nozzle. An escape or discharge bore is provided in the intermediate nozzle with the bore opening into the spring cavity. The piston is of a smaller diameter than the nozzle needle. The intermediate piston includes a bearing face which is cooperable with an upper sealing surface of the nozzle needle. A guide bore of the intermediate piston is widened in a stroke zone of the bearing face at least to a diameter of the fitted bore in which the nozzle needle is axially guided.

REFERENCES:
patent: 2595639 (1952-05-01), Chmura et al.
patent: 2951647 (1960-09-01), Dreisin
patent: 3387790 (1968-06-01), De Luca
patent: 3434667 (1969-03-01), Chmura
patent: 3669360 (1972-06-01), Knight
patent: 4200237 (1980-04-01), Urlaub et al.
patent: 4261513 (1981-04-01), Andrews

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