Pumps – With condition responsive pumped fluid control – Pumped fluid temperature responsive
Patent
1991-02-11
1992-08-18
Bertsch, Richard A.
Pumps
With condition responsive pumped fluid control
Pumped fluid temperature responsive
417369, 417370, F04B 4900, F04B 3902
Patent
active
051393930
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 condition of the pump fluid.
REFERENCES:
patent: 3744935 (1973-07-01), Magni
patent: 4426196 (1984-01-01), Bristow et al.
patent: 4854373 (1989-08-01), Williams
patent: 4913102 (1990-04-01), Ohmura et al.
Basichas Alfred
Bertsch Richard A.
Follmer Frank A.
Hale Fire Pump Company
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