Title:
A PRECONDITIONED AIR UNIT WITH VARIABLE FREQUENCY DRIVING
Document Type and Number:
WIPO Patent Application WO/2010/106520
Kind Code:
A3
Abstract:
A preconditioned air unit for supplying preconditioned air to an aircraft parked on the ground, the preconditioned air unit comprising a housing accommodating a flow duct with an air inlet for ambient air and an air outlet for connection to the parked aircraft, a blower connected with the flow duct for generation of an air flow from the air inlet toward the air outlet, at least one refrigeration system, each of which includes at least one compressor, at least one condenser, at least one expansion valve, and at least one evaporator connected in a flow circuit containing a refrigerant, and wherein the at least one evaporator interacts with the air flow in the flow duct, and at least one variable frequency driver for power supply of at least one of the at least one compressor of the at least one refrigeration system.
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Inventors:
DAHL SOEREN RISGAARD (DK)
NIELSEN BO VORK (DK)
OLSSON HENRIK (DK)
SCHROEDER LARS (DK)
NIELSEN BO VORK (DK)
OLSSON HENRIK (DK)
SCHROEDER LARS (DK)
Application Number:
PCT/IB2010/051189
Publication Date:
March 31, 2011
Filing Date:
March 18, 2010
Export Citation:
Assignee:
AXA POWER APS (DK)
DAHL SOEREN RISGAARD (DK)
NIELSEN BO VORK (DK)
OLSSON HENRIK (DK)
SCHROEDER LARS (DK)
DAHL SOEREN RISGAARD (DK)
NIELSEN BO VORK (DK)
OLSSON HENRIK (DK)
SCHROEDER LARS (DK)
International Classes:
B64F1/36
Domestic Patent References:
| WO2007135103A2 | 2007-11-29 | |||
| WO2007061622A1 | 2007-05-31 |
Foreign References:
| EP0431563A2 | 1991-06-12 | |||
| JPH10257796A | 1998-09-25 |
Attorney, Agent or Firm:
AXA POWER APS (Benjamin J.Lowe Hauptman Ham & Berner, Llp,1700 Diagonal Road, Suite 30, Alexandria Virginia, US)
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