Pipe closing device

Details Pipe closing device Pipe closing device

1980-08-15

1981-11-17

Spiegel, H. Jay

Internal-combustion engines

Two-cycle

Rear compression

13710127, 137114, 137554, 137428, 137432, 251 65, 116277, G05D 1103

Patent

active

043004890

ABSTRACT:
The device is especially intended for a pipe supplying a fluid which must be supplied, simultaneously or alternately, with another fluid. The device comprises a tank for a control fluid which surrounds the vertical supply pipe and in which a permanent magnet moves in accordance with the amount of control fluid contained in the tank. The magnet shifts a valve member inside the supply pipe so that the valve member closes the latter in one of the end positions of the magnet. The magnet is rigid with a float which freely extends around the supply pipe. The device can in particular ensure that fuel is supplied to an engine only if oil is supplied to the latter.

REFERENCES:
patent: 2497375 (1950-02-01), Seguin et al.
patent: 2533491 (1950-12-01), McMahon et al.
patent: 3105512 (1963-10-01), Lyall et al.
patent: 3233625 (1966-02-01), Pase
patent: 3467135 (1969-09-01), Muskalla
patent: 3741239 (1973-06-01), Riddiford
patent: 3921662 (1975-11-01), Hauffe et al.
patent: 3980457 (1976-09-01), Smith
patent: 4069835 (1978-01-01), Stadler
patent: 4142486 (1979-03-01), Schreier

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