Power supply circuit for vehicle

Patent · Tue Mar 10 04:00:00 EST 1987

OSTI ID:6740659

Takeda, N; Hattori, M

A circuit is described for a motorized vehicle having an ignition switch connected to a power source, such as a battery. The circuit controls the application of power from the power source to an electric device, such as a motor for driving an electric window or sun roof. It comprises: a relay having relay contacts and a driving coil, the relay contacts being connected between the power source and the electric device so as to apply power to the device upon energization of the driving coil; door switch means coupled to the power source for detecting opening of a door of the vehicle; and control means coupled to the ignition switch, to the door switch means and to the driving coil, for continuously energizing the driving coil in direct response to power being applied from the power source by the ignition switch and for de-energizing the driving coil in response to the door switch means detecting opening of a door of the vehicle.

• Assignee: Kabushiki Kaisha Tokai Rika Denki Seisakusho, Aichi
• Patent Number(s): US 4649286
• OSTI ID: 6740659
• Country of Publication: United States
• Language: English

Related Subjects

25 ENERGY STORAGE
250904 -- Energy Storage-- Batteries-- Other Applications
33 ADVANCED PROPULSION SYSTEMS
330300* -- Advanced Propulsion Systems-- Electric-Powered Systems
DOORS
ELECTRIC BATTERIES
ELECTRIC CONTACTS
ELECTRIC MOTORS
ELECTRICAL EQUIPMENT
ELECTROCHEMICAL CELLS
ELECTRONIC CIRCUITS
ELECTRONIC EQUIPMENT
EQUIPMENT
IGNITION SYSTEMS
MOTORS
OPENINGS
POWER SUPPLIES
RELAYS
SWITCHES
VEHICLES