Raising-pressure delay type electromagnetic pumps

Details Raising-pressure delay type electromagnetic pumps Raising-pressure delay type electromagnetic pumps

1977-12-30

1980-09-02

Miller, J. D.

Electricity: power supply or regulation systems

Remote sensing

315194, 307252N, H05B 3902

Patent

active

042209102

ABSTRACT:
An electromagnetic pump in which the ignition sound at the time of starting of a combustor is lowered by delaying a raising speed for the delivery pressure of fuel oil. The delivery pressure of fuel oil is automatically controlled by means of an electronic delay circuit including a silicon controlled rectifier which is phase controlled in synchronism with a power source, a trigger diode, and resistors and condensers used for setting the amount of time delay.

REFERENCES:
patent: 3267337 (1966-08-01), Doyle et al.
patent: 3466529 (1969-09-01), Grafham
patent: 3495154 (1970-02-01), Dosch et al.
patent: 3498848 (1970-02-01), Galloway
patent: 3543141 (1970-11-01), Lawson
patent: 3612945 (1971-10-01), Stevens
patent: 3742255 (1973-06-01), Stevens
patent: 3745382 (1973-07-01), Hoge et al.
patent: 3793531 (1974-02-01), Ferrigno
patent: 3859591 (1975-01-01), Saunders
patent: 4008416 (1977-02-01), Nakasone
EDN/EEE Sep. 15, 1971, pp. 42-43, "Plagued by Trial Hysteresis" by Forsberg.
RCA Tech. Notes RCA TN No. 715, Jun. 1967, 2 sheets, "Triggerless Phase Control Crt . . . " by Buczynski.

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