Through its subsidiary safran power units the manufacturer has been working on using hydrogen fuel cells for non propulsive energy dedicated to onboard entertainment catering and usually supplied by the auxiliary power unit apu.
Auxiliary power unit boeing 737.
An auxiliary power unit apu is a device on a vehicle that provides energy for functions other than propulsion they are commonly found on large aircraft and naval ships as well as some large land vehicles.
Boeing 727 apu auxiliary power unit.
There are many different apu s available for the 737.
The most common is the garrett gtcp gas turbine compressor air power unit electrics 85 129.
The modifications included the establishment of a new requirement for documentation software and test changes and a delta certification associated with the production release.
Apu manufacturers have done a great job designing these engines so they take care of.
The apu control panel on most airliners consists of a switch or button and a couple of lights that s it.
On a boeing 737 and an a320 respectively in the 2000s.
Starting the unit is as easy as starting a car.
Apu control panel on a boeing 757 767.
19 auxiliary power unit apu pneumatic and generator control panels subscribe for new v.
Operating the auxiliary power unit couldn t be easier.
Others can produce 28 v.
For the 737 x honeywell project aversan performed software modification of a legacy boeing 737 131 9 b auxiliary power unit apu controller currently in production.
There are many different apus available for the 737.
13 2019 prnewswire boeing nyse.
Saf today announce the name of their 50 50 joint venture to design build and service auxiliary power units apus.
The 50 50 joint venture that boeing and europe s safran aerospace company formed last year to build auxiliary power units for airplanes now has a name.
Chicago and paris feb.
Ba and safran epa.
Aircraft apus generally produce 115 v alternating current ac at 400 hz rather than 50 60 hz in mains supply to run the electrical systems of the aircraft.
A centrifugal jet engine that starts the aircraft engines and delivers the electrical and air condition.