Vacuum timing system

Details Vacuum timing system Vacuum timing system

1977-05-27

1978-06-20

Tolin, Gerald P.

Internal-combustion engines

Cooling

Devices for cooling liquid by air flow

123198D, 123 4112, 200 83R, 200 34, H01H 3534

Patent

active

040955664

ABSTRACT:
A vacuum controlled timing system for an electrical accessory circuit of an internal combustion system having a variable vacuum source provides a uniform residual vacuum condition for maintaining a closed circuit for a selected time interval after the engine is rendered inoperative.

REFERENCES:
patent: 1993070 (1935-03-01), Middleton
patent: 2562286 (1951-07-01), Wall
patent: 2702840 (1955-02-01), Jackson, Sr.
patent: 3125702 (1964-03-01), Herridge, Jr.
patent: 3158144 (1964-11-01), Walker

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