Ram jet engine construction and a valve control for proportionin

Details Ram jet engine construction and a valve control for proportionin Ram jet engine construction and a valve control for proportionin

1982-03-04

1984-05-22

Casaregola, Louis J.

Power plants

Reaction motor

Solid propellant

602701, 251308, F02K 900, F02K 708

Patent

active

044493614

ABSTRACT:
A ram jet engine comprises a wall structure defining a precombustion chamber having a solid fuel which when ignited can raise fuel rich gases which flow through a valve housing passage and into a main combustion chamber where final combustion takes place. A valve is provided in the valve housing which includes a shaft portion which is driven for example by an electric motor to rotate a valve body between two end positions in which the valve body is shifted from a position substantially blocking off all flow through the valve passage to one in which it permits a maximum preselected flow. The valve body is advantageously journalled on a shaft and is provided with a hub portion which embraces the shaft and protects it from the hot gases. The valve body is shaped as a cylindrical wedge tapering from the widest portion of one end to a narrowest portion at the opposite end. The valve body is oriented in the valve passage so that with its widest end facing the precombustion chamber it substantially blocks off the flow of the gas. When it is rotated so that its narrowest end faces toward the precombustion chamber a maximum amount of gas flow as desired is permitted to flow through the passage.

REFERENCES:
patent: 2948112 (1960-08-01), Smith
patent: 3064940 (1962-11-01), Anderson et al.
patent: 3642247 (1972-02-01), Scaramucci
patent: 3712058 (1973-01-01), Cooper
patent: 4075832 (1978-02-01), Diesinger et al.
patent: 4260129 (1981-04-01), Groenefeld

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