Title:
航空機整備ユニット
Document Type and Number:
Japanese Patent JP2013518769
Kind Code:
A
Abstract:
The disclosure relates to a maintenance unit for servicing aircraft during stand-still, comprising electrically powered service and/or maintenance equipment. There is a power input for connecting the unit to an electrical power supply operating at 200/115VAC at 400 Hz. The unit further comprises a transformer and conversion unit (TCU) for transforming the 200/115 VAC/400 Hz power to standard grid voltage at 400/230VAC at 50 Hz and at least one frequency converter enabling variable frequency of the output voltage, for powering said service and/or maintenance equipment. The maintenance equipment may be a gas turbine engine washing equipment and comprises a water delivery member for supplying water from a water source, a high pressure pump coupled to the water providing means for providing pressurized water, and a high pressure water outlet.
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Inventors:
Nordund, Sebastian
Amkoff, Henrik
Newberg, Helena
Amkoff, Henrik
Newberg, Helena
Application Number:
JP2012552019A
Publication Date:
May 23, 2013
Filing Date:
January 31, 2011
Export Citation:
Assignee:
Pratt & Whitney Line Maintenance Services, Incorporated
International Classes:
B64F3/00
Domestic Patent References:
| JP2000335498A | 2000-12-05 | |||
| JPH10115252A | 1998-05-06 | |||
| JPH11126660A | 1999-05-11 | |||
| JP2008215354A | 2008-09-18 |
Attorney, Agent or Firm:
Hiromichi Kobayashi
Tomioka Kiyoshi
Tomioka Kiyoshi