Automatic temperature and humidity regulation – Thermostatic – In fluid controlled
Patent
1990-02-13
1991-05-28
Tapolce, William E.
Automatic temperature and humidity regulation
Thermostatic
In fluid controlled
236100, 417292, G05D 2312
Patent
active
050186655
ABSTRACT:
A thermal relief valve is constructed and arranged to sense the fluid temperature of a pump and to open when this fluid temperature becomes too high to discharge pump fluid to prevent the occurrence of an excessive temperature conditon of the pump fluid.
REFERENCES:
patent: 2810527 (1957-10-01), Work
patent: 2868460 (1959-01-01), Hansen et al.
patent: 3154248 (1964-10-01), Fulton et al.
patent: 4167262 (1979-09-01), Lemmon
patent: 4865249 (1989-09-01), Sugano et al.
Follmer Frank A.
Hale Fire Pump Company
Tapolce William E.
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