Sludge exclusion diaphragm switch
United States Patent 3359386
US Patent References:
Control structure
- - 2435716
High-pressure pump
- - 2653552
Control switch having isolated fluid actuator
- - 3176095
Control structure
- - 2435716
High-pressure pump
- - 2653552
Control switch having isolated fluid actuator
- - 3176095
Inventors:
Howard, William F.
Publication Date:
12/19/1967
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Export Citation:
Assignee:
HOWARD ELECTRIC COMPANY
Primary Class:
Other Classes:
200/83R
International Classes:
H01H3/24; H01H35/34; H01H3/00; H01H35/24