Patent ID: 11971183
Assignee: TRANE INTERNATIONAL INC.
Field: Measurement (Instruments)
Classification: CPC F  G | IPC F  G

Claim 10:
11. A method of detecting a refrigerant leak from a climate control system, the method comprising:
(a1) emitting an acoustic wave from a transmitter into a space located within a housing of an air unit, the air unit including a heat exchanger with a conduit, the conduit including one or more joints configured to carry a refrigerant of the climate control system, wherein the transmitter is located within the housing and adjacent the heat exchanger;
(a2) directing the acoustic wave to travel adjacent at least one joint of the conduit
(b) receiving the acoustic wave at a receiver, wherein the receiver is located within the housing and adjacent the heat exchanger;
(c) determining a time of flight between (a) and (b);
and
(d) determining that refrigerant is within the space as a result of the time of flight.