Invention Grant
- Patent Title: Active/passive fuse module
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Application No.: US17021774Application Date: 2020-09-15
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Publication No.: US11387068B2Publication Date: 2022-07-12
- Inventor: Michael Schlaak , Engelbert Hetzmannseder , Derek Lasini
- Applicant: Littelfuse, Inc.
- Applicant Address: US IL Chicago
- Assignee: Littelfuse, Inc.
- Current Assignee: Littelfuse, Inc.
- Current Assignee Address: US IL Chicago
- Agency: KDB PLLC
- Main IPC: H01H89/00
- IPC: H01H89/00 ; H01H39/00 ; H01H85/00 ; H01H85/02

Abstract:
An active/passive fuse module including a base, a busbar disposed on a top surface of the base and including a fuse element and first and second terminal portions extending from opposite ends of the fuse element, the fuse element extending over a cavity in the top surface of the base, a pyrotechnic interrupter (PI) disposed atop the base, the PI including a piston disposed within a shaft above the fuse element, a first pyrotechnic ignitor coupled to a controller, the first pyrotechnic ignitor configured to detonate and force the piston through the fuse element upon receiving an initiation signal from the controller, and a second pyrotechnic ignitor coupled to the busbar by a pair of leads, the second pyrotechnic ignitor configured to detonate and force the piston through the fuse element upon an increase in voltage across the leads.
Public/Granted literature
- US20210183607A1 ACTIVE/PASSIVE FUSE MODULE Public/Granted day:2021-06-17
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