Piezoelectric circuit breaker
AssigneePiezo Electric Products, Inc.
InventorsW. Porter Stone, Henry H. Kolm, Eric A. Kolm
Life of this patent
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Abstract
A piezoelectric circuit breaker including: a line terminal and a load terminal; contact means interconnected between the terminals; means responsive to an increase in load current between the terminals for generating a voltage indicative of an overload current; and piezoelectric bender means responsive to the voltage for deflecting and opening the contact means.
Claims17
A piezoelectric circuit breaker comprising:
- a line terminal and a load terminal;
- contact means interconnected between said terminals;
- thermal means, responsive to an increase in load current between said terminals, for generating a voltage indicative of an overload current;
- and
- piezoelectric bender means responsive to said voltage for deflecting and opening said contact means.
A piezoelectric circuit breaker comprising:
- a fuse housing for installation in a fuse receptacle and having a load terminal and a line terminal;
- contact means in said housing interconnected between said terminals;
- thermal means in said housing, responsive to an increase in load current between said terminals, for generating a voltage indicative of an overload current;
- and
- piezoelectric bender means in said housing responsive to said voltage for deflecting and opening said contact means.
The piezoelectric circuit breaker of claim 13 further including a capacitance connected across said voltage divider resistance for setting the delay between attainment of the threshold current level and the opening of said contact means.
Dependencies are inferred from the claim text.