Hgpu hydraulic ground power unit the hydraulic ground power unit is used for maintenance and testing of mainline aircraft hydraulic systems. The a320 hydraulic system is composed of three different and fully independent circuits. The emergency generator does not connect to the ess bus network. Controls in this area are used to manage the engine driven hydraulic systems. A pump driven by engine 2 pressurizes the yellow system. Selecting the rat man on pb on the overhead hyd panel deploys the ram air turbine rat. Xavier le tron airbus flight controls presentation at. Parkers fuel package, hydraulic system for airbus a350 xwb. Not approved by american airbus a320 flight training dept.
Feb 17, 2017 actually priority valves cut off hydraulic power to heavy load users if hydraulic pressure in a system. All hydraulic back up functions ensured by local hydraulic generation system lehgs owned by. It is supplied in confidence and commercial security on its contents must be maintained. How do you size hydraulic reservoirs for aircraft hydraulic. This ability to handle higher pressures results in smaller and lighter hydraulic system equipment, as well as less hydraulic fluid on board, proving how airbus innovations continue to deliver efficiency in every area of aircraft design and manufacture. The yellow hydraulic system is pressurized by a pump driven by engine 2. A318a319 a320 a321 flight crew training manual preliminary pages aircraft allocation table this table gives, for each delivered aircraft, the cross reference between. Hydraulic source to the nose wheel steering in the newer a320s.
The effect of closing these valves is to shut off hydraulic supply to the primary flight controls. For your convenience, a 236 page paperback combining the quick reference, nonnormal notes and summary of easyjet manuals is available to order from to complete the book, it is useful to have a couple of tabs to quickly get to the contents pages. In an airbus a320 the rudder and the ths have mechanical cable connections for their operation, but these cables run only till the hydraulic servos that in turn move these surfaces with the help of hydraulic pressure. The rat is automatically extended by the system in case of loss of ac 1 and ac 2 buses in order to pressurize the blue hydraulic system. Airbus a320 hydraulic system components free pdf file sharing. Parker will provide the entire fuel system equipment package, including the inerting system, fuel measurement and management system, fluid mechanical equipment, and engine feed and transfer fuel pumps. The a320 hydraulic system consists of three independent continuously operating systems and marked with the colors green, blue, and yellow.
Dotfaaar0765 aging aircraft evaluation of the airbus a320. A320 series hydraulic system presentation a320 series hydraulic system presentation the a320 family has three independent hydraulic systems. A bidirectional ptu enables the yellow system to pressurize the green system, and vice versa, without the transfer of fluid from one system to the other. List of accidents and incidents involving the airbus a320. Apr 27, 2017 bootstrap reservoirs are commonly used in most of civilian aircraft hydraulic systems.
From other aircraft examples, such as the boeings and the mds, and even the previous airbus aircrafts a300 a320 a330 and a340 have triple redundant system. How did the a380 get away with just having two redundant system. Well, i compared two different company a320 fcoms and it seems that airbus modified the hydraulic source to the nose wheel steering in the newer a320s. Here is an overview of main safety precautions relative to the hydraulic power system. Not very sure on the exact msn they started this mod with, but just to give an idea, till msn 17xx was still powered through the green system. An electric pump can also pressurize the yellow system, which allows yellow hydraulics to be. Gears and main doors are hydraulically operated and electrically controlled by two computers named landing gear control and interface units lgciu.
A340600 system architecture as a new technology of actuators is now available6 electro hydrostatic actuator eh a see figure 3. While airbus a320 family and boeing b737 use bleed air from engine pressurized reservoirs, airbus a350 and boeing b787 use hydraulic type reservoirs. Hi, im not sure if this is the correct forum section for my question, but i couldnt find a better one. A380 landing gear and systems the feet of the plane. Reading from jons blog about the a380 hydraulic system, it looks like a380 only has two redundant hydraulic system.
A320 series landing gear system presentation landing gear system presentation. Its scope includes theoretical studies, design methods, and realworld implementations and applications. A computermanaged system gives complete protection against excursions outside the normal flight. The family includes the a318, a319, a320 and a321, and the acj business jet. The a320 hydraulic system consists of three independent continuously operating systems and marked with the colors green, blue. The electrical system is divided into two main branches. Airbus a330 flight deck and systems briefing for pilots this brochure is provided for information purposes only. In the event of a failed engine driven pump and a failed ptu, the ecam and the hyd systems page would only indicate and display the failure of the respective hydraulic system. For example, large aircraft, such as the airbus a380, have two hydraulic. The users are shared between the systems in order to ensure the control of the aircraft, even when one system is inoperative. Theres no electrical back up for flaps though, and the control surfaces has reduced effectiveness with just electrical system.
A319a320a321 flight deck and systems briefing for pilots. These pumps have a upstream shutoff valve that cuts off the flow of hydraulic fluid when the associated engine fire button is pushed. Alternate braking, which includes the parking brake, is powered by the yellow hydraulic system. As always, the om, fm and american airbus a320 training dept are your final authorities. In addition, the hyd systems page will continue to display the ptu in an armed mode green. We support parts for airbus, boeing, embraer, bae, systems, hawker, saab, airbus helicopters and agusta platforms, both from stock and oem distribution lines.
An electro hydraulic generation system that receives orders from the fight control computers. Each system has a leak measurement valve upstream of the primary flight controls. A320 hydraulic if this site has helped you, then please take a minute and consider to donate something. On the blue hydraulic system, the normal source of pressure is the electrical pump, and the auxiliary. The flight controls all receive hydraulic power from at least two sources. Hydraulic system liquids are used primarily to transmit and distribute forces to various. Nov 25, 2015 when you work on the hydraulic system, make sure that you obey all the amm safety procedures. Hydraulic fluid cannot be transferred from one system to an another. This version is not intended to be used in everyday application. The reservoirs are pressurized by bleed air to prevent cavitation. The yellow hydraulic system may also be pressurized by an electric pump. This study guide offers an indepth systems knowledge with photos, videos and schematic not found in.
It must not be used for any purpose other than that for which it is supplied, nor may. Well, i compared two different company a320 fcoms and it seems that airbus modified the hydraulic source to the nose wheel steering in the newer a320 s. Learn vocabulary, terms, and more with flashcards, games, and other study tools. American airlines airbus a319, a320, a321 notes 8 systems note. They both offer an increased fuselage crosssection leading to an increased revenue potential through. Nov 25, 2015 landing gear system presentation the a320 family aircraft are equipped with dual wheel main landing gear, which retracts inboard.
For the entire a320 family, 119 aviation accidents and incidents have occurred the latest being ural airlines flight 178 on 15 august 2019, including 36 hull loss accidents, and a total of 93 fatalities in 17 fatal accidents the most recent being egyptair flight 804 on 19 may 2016. Hydraulic system standby system components alternate braking alternate nosewheel steering inboard ailerons rudder elevators slats spoilers the airbus provides airlines with the best opportunities to optimize revenue across their networks with more seats for. The green and yellow systems are normally pressurized by engine driven hydraulic pumps. Airbus a320 maintenance manual pdf at manuals library. The registration number of the aircraft as known by airbus s. There are two identical engine driven generators called integrated drive generators idg. In order to give you a better service airbus uses cookies. Normal braking is powered by the green hydraulic system. Aircraft hydraulic system design free download as powerpoint presentation. People involved with project airbus tech pat have spent countless. Eaton aircraft hydraulic system design presentation. The airbus a320 family consists of short to mediumrange, narrowbody, commercial passenger jet airliners manufactured by airbus. Parker aerospace has been selected by airbus to supply both the fuel and hydraulic systems for its new a350 extrawidebody xwb aircraft.
The airbus a320 family are narrowbody singleaisle aircraft with a retractable tricycle landing gear and are powered by two wing pylonmounted turbofan engines. These can be closed by operation of switches on the maintenance panel. For study only, use at own risk, last update 031820 these notes are intended to be used in conjunction with the operating manual and flight manual. Fslabs a320 hydraulic question the prepar3d forum the. The fleet serial number fsn of the aircraft as known by airbus s. This will prevent injury to persons andor damage to the aircraft. Actually priority valves cut off hydraulic power to heavy load users if hydraulic pressure in a system. This chapter presents the architecture of the hydraulic generationdistribution of the a320. The development of the a320 and its siblings in the 1980s and 1990s is in many ways a repetition of the. The emergency generator will provide electrical power until.
Introduced for airline service in march 1988, the a320 represents the largest single advance in civil aircraft technology since the introduction of the jet engine and results in a major stride forward in airline profitability. What happens if, in flight, with the hydraulic blue system inoperative fluid loss, the man on switch on the emer elec. Airbus a320 hydraulic system components free pdf file. Please feel free to move this post to another section if necessary. Despite the conventional wisdom holding boeing and airbus airliners as very different, a close examination of the airbus a320 family will lead one to believe that these oftencited differences are merely skin deep.
The rotation direction and the speed of the electro hydraulic generation system determine the translation direction and speed of the actuator rod. Video airbus a320 an advanced systems guide pdf video airbus a320 an advanced systems guide pdf. After the oil price rises of the 1970s, airbus needed to minimise the trip fuel costs of the a320. Reservoir capacity is one of the foremost things to be defined by the designer. Back to the original point, not only is the airbus 2h2e system significantly safer than a 777type system, but it also weighs less. Air purification system for airbus a320 donaldson pdf. Can anyone please tell me from a technical point of view why the yellow hydraulic pump is used when the nose wheel ste. Below the passenger doorwindow is a red cabin pressure light which. Airbus a320 and electrically signaled actuators request pdf.
Airbus a320 family nonnormal notes airbus a320 family nonnormal notes. Bootstrap reservoirs are commonly used in most of civilian aircraft hydraulic systems. All braking functions normal braking control, antiskid control, automatic braking and brake temperature. Change per airbus specification revised connector to suit ac. Commercial aircraft hydraulic systems sciencedirect. This ipad interactive book is an indispensable tool for pilots seeking the airbus a320 type rating. Airbus a320 cbt computer based training next lesson.
Home decorating style 2020 for airbus a320 maintenance manual pdf, you can see airbus a320 maintenance manual pdf and more pictures for home interior designing 2020 36157 at manuals library. I was wondering how will the aircraft be controlled if there is loss of all the three hydraulic systems. It examines aircraft hydraulic pumps in detail, in particular those driven by motors that demand. Aircraft hydraulic system design flight control surfaces. Commercial aircraft hydraulic systems is the latest in a series published by the shanghai jiao tong university press aerospace series that covers the latest advances in research and development in aerospace. Airbus a320 series electrical system electrical system presentation. Airbus a320 319 study guide 1 overhead panel part 1 1 on bat light the aircraft batteries are powering one or more adiru. By continuing to browse the site you are agreeing to our use of cookies i agree i agree. Ehas are fully isolated from the hydraulic power supplies of the aircraft.
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