Invention Grant
- Patent Title: Wide operating range relay controller system
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Application No.: US15701724Application Date: 2017-09-12
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Publication No.: US10679811B2Publication Date: 2020-06-09
- Inventor: James Riley
- Applicant: Littelfuse, Inc.
- Applicant Address: US IL Chicago
- Assignee: Littelfuse, Inc.
- Current Assignee: Littelfuse, Inc.
- Current Assignee Address: US IL Chicago
- Main IPC: H01H47/02
- IPC: H01H47/02 ; H01H47/22 ; H01H50/14 ; H01H50/54 ; H01H50/64 ; H01H50/02 ; H01H47/00 ; H01H51/22

Abstract:
Provided herein is an improved bi-stable relay operable with a relay control circuit including a boost converter and an energy storage device, which is used to switch the bi-stable relay. In some embodiments, the bi-stable relay includes a solenoid wound with multiple coil windings. A conductive plate (e.g., a bus bar) may be coupled to a plunger of the solenoid, and is provided with contacts on each end of the conductive plate. The conductive plate is configured to electrically engage and disengage the solenoid upon respective application of power to the solenoid. The control circuit causes the solenoid to remain in an open position when selectively energized by a pulse for moving and retaining the conductive plate of the plunger against the solenoid for allowing wide operating voltage and reduced operating power.
Public/Granted literature
- US20190080868A1 WIDE OPERATING RANGE RELAY CONTROLLER Public/Granted day:2019-03-14
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