Flow control at flash tank of open cycle vapor compression heat

Details Flow control at flash tank of open cycle vapor compression heat Flow control at flash tank of open cycle vapor compression heat

1982-12-23

1984-08-21

Capossela, Ronald C.

Refrigeration

Automatic control

Of external fluid or means

60686, 62 49, 62512, F25D 1702

Patent

active

044662530

ABSTRACT:
An arrangement of controls for a vapor compression open cycle industrial process heat pump permits the level of liquid and fluid pressure in a flash tank to be simultaneously and independently monitored and regulated to assure efficient operation of the system and to prevent equipment failure. Liquid level sensing means send a signal to a modulatable valve associated with a liquid discharge pump to maintain the liquid in the flash tank at an optimum level. At the same time, fluid pressure sensing means send a signal to a modulatable inlet throttle valve to regulate fluid pressure in the tank by regulating fluid as required, to maintain tank fluid pressure at the desired level.

REFERENCES:
patent: 3159008 (1964-12-01), Nebgen
patent: 3212277 (1965-10-01), Harper et al.
patent: 3383881 (1968-05-01), Bailey
patent: 3957111 (1976-05-01), Kobayashi et al.

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