About 29 results
https://drivepatents.com/patents/1382016 · 7 May 2026
A use of at least one temperature measurement point in a compressor to control a temperature of a refrigerant circuit, wherein the temperature measurement point is used between power electronics of the compressor, around which power electronics a refrigera...
https://drivepatents.com/patents/1396016 · 29 Apr 2026
It is an object to enable establishment of an efficient and stable cooling cycle. A cooling system for a moving vehicle includes: a compressor; a condenser; an expansion valve; an evaporator; a flow rate regulation device that regulates a flow rate when a ...
https://drivepatents.com/patents/1380337 · 2 Apr 2026
A receiver dryer includes a heat exchange module connected to a radiator through a coolant line so as to enable coolant passing through the radiator to be supplied to the heat exchange module. The heat exchange module is configured to selectively perform h...
https://drivepatents.com/patents/1394962 · 31 Dec 2025
This electric compressor control device comprises: a control unit of an inverter which controls a motor that drives a compressor; a physical quantity calculation unit which calculates, on the basis of one or a plurality of predetermined detection values ac...
https://drivepatents.com/patents/1377393 · 18 Dec 2025
A method and apparatus manage a refrigeration quality for a refrigerated cargo by detecting refrigeration condition abnormality of a refrigeration system of a vehicle. The method includes: receiving refrigeration quality reference data for the refrigerated...
https://drivepatents.com/patents/1397565 · 8 Oct 2025
There is disclosed a method 200 of controlling an air-cargo transport refrigeration unit 100 to regulate a compressor speed and a condenser fan speed. There is also disclosed a method 500 of controlling an air-cargo transport refrigeration unit 100 based o...
https://drivepatents.com/patents/1393279 · 18 Jun 2025
An environmental control system of a vehicle includes a first inlet (22) configured to receive a flow of a first medium (A1), a second inlet (26) configured to receive a flow of a second medium (a2), and a thermodynamic device (40) including a compressor (...
https://drivepatents.com/patents/1372124 · 2 Jan 2025
A method for operating an electromotive refrigerant compressor having an electric motor, includes operating the electric motor using a supply voltage from a second on-board electrical system. The electric motor is operated in an emergency mode if a fault i...
https://drivepatents.com/patents/1067916 · 26 Apr 2006
A method of controlling air conditioner for vehicles wherein the target control value of the pressure control valve which controls tilt angle of a swash-plate of a swash-plate type variable capacity compressor is variably controlled according to the temper...
https://drivepatents.com/patents/1070194 · 8 Feb 2006
In an engine driving type air conditioner having a bypass valve for returning a part of refrigerant discharged from a compressor to the suction side of the compressor, when an engine is stopped, the bypass valve is closed and the pressure difference betwee...