Refrigerant recovery and purification apparatus with telecommuni

Details Refrigerant recovery and purification apparatus with telecommuni Refrigerant recovery and purification apparatus with telecommuni

1993-01-22

1994-03-01

Sollecito, John M.

Refrigeration

Automatic control

Withdrawing or adding refrigerant from or to normally closed...

62292, 62129, F25B 4500

Patent

active

052896935

ABSTRACT:
A refrigerant recovery device is provided with a pressure sensing means, liquid sensing means, fluid flow measuring means, telephone dialer for dialing a telephone number, telephone signaler for transmitting a signal over a telephone line to a telephone communication device, and a controller for receiving a parameter value indicative signal indictive of pressure liquid or fluid flow in a predetermined range causing the telephone dialer to dial a telephone number and establish telephone communicaton with the telephone communicaton device and transmit a signal, indicative of pressure liquid or fluid flow, to the telephone communication device.

REFERENCES:
patent: 4805416 (1989-02-01), Manz et al.
patent: 5187942 (1993-02-01), Komatsu et al.

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