Remote controlled mechanical release or lock-in electrical path

Details Remote controlled mechanical release or lock-in electrical path Remote controlled mechanical release or lock-in electrical path

Filed on

1975-02-18

Date issued

1977-08-02

Examiner

Envall, Jr., R. N.

Patent Class

Electricity: electrical systems and devices

SubClass

Control circuits for electromagnetic devices

SubSubClass

For relays or solenoids

Other Related Categories

307 10BP, H01H 900, H01H 4700

Type

Patent

Status

active

Patent number

040399036

Description

ABSTRACT:
The invention in a vehicle senses battery voltage level when the key is in the `off` position and disconnects the battery if its voltage level falls to a predetermined voltage. This level permits restarting of the vehicle although the lights have been inadvertently left on or a short has occurred. It provides for a unique remote controlled mechanical lock-in of the electrical current path from the battery to a load and a mechanical lock-out on the voltage sensing interrupting circuit when the ignition switch is in `on` position and the reestablishment of the voltage level control to magnetically provide the electrical current path from the battery to the load when the ignition switch is returned to `off` position thus obligating the voltage level control circuit to retain the path from the battery to the load until the battery decays to a predetermined level. This discontinues the current to the load. By returning the ignition switch to `on` the electrical current path is reestablished.

REFERENCES:
patent: 1950194 (1934-03-01), Samad
patent: 2862148 (1958-11-01), Weigl et al.
patent: 3407306 (1968-05-01), Huntzinger
patent: 3760236 (1973-09-01), Hollins
patent: 3772568 (1973-11-01), Phillips
patent: 3903429 (1975-09-01), Heffel

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