초록 ▼

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 rec

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.

대표청구항 ▼

A refrigerant recovery apparatus for recovering refrigerant from a refrigeration unit comprising: means for controlling said recovery of refrigerant including: parameter sensing means for sensing a value of a parameter indicative of operation of the apparatus and generating a signal indicative of th

A refrigerant recovery apparatus for recovering refrigerant from a refrigeration unit comprising: means for controlling said recovery of refrigerant including: parameter sensing means for sensing a value of a parameter indicative of operation of the apparatus and generating a signal indicative of the parameter value; telephone dialer means for dialing a telephone number and establishing a telephone connection with a telephone communication device responding to the number dialed; telephone signaling means for transmitting a signal over a telephone line to a telephone communication device; and, controller means for receiving said parameter value indicative signal and, when said signal is indicative of a parameter value in a predetermined range, causing said telephone dialer to dial a telephone number and establish telephone communication with a telephone communication device and, upon establishment of such communication, causing said telephone signaling device to transmit a signal to the telephone communication device.