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Airbus A318, A319, A320 & A321
Airbus A318, A319, A320 & A321 Overview
Eaton’s Aerospace Product Capabilities
Recognized as some of the
Eaton is a recognized leader in the driven pump fails, then the The aircraft engines are also world's most advanced
aerospace industry and is a key system can be pressurized via equipped with liquid level
commercial aircraft the A318/ supplier of hydraulics, fuel, the reversible power transfer
indicators that provide a viewing
A319/A320/A321 are the first
conveyance and actuation products unit (PTU), model MPHV3-115-1,
port that allows the operator to
to use carbon-fiber composite on the Airbus A320 family.
by the Yellow system. If engine
check oil level in the auxiliary
construction. These aircraft
The Airbus A320 family employs #2 becomes inoperative or the power unit. A high contrast
are also unique in the way
three fully independent hydraulic
Yellow engine-driven pump fails, feature provides excellent the pilot commands are
systems - Blue, Green, and Yellow then the Yellow system is readability in subdued light.
processed to control flight. A
- to furnish the hydraulic power pressurized similarly by the
Another level indicator is the sight
small side-stick controller
required to operate flight controls, Green system via the PTU.
gauge, which is mounted on the
replaces the traditional
landing gear, wing tip brakes, flaps An electric motorpump will
oil reservoir of the engine to
control column and converts
and slats, cargo doors, nose wheel
pressurize the Yellow system if
provide visual indication of fluid
pilot input into electrical steering and thrust reversers the engine-driven pump levels over a wide range. The
signals. A computer interprets
utilizing Eaton's hydraulic motor- becomes inoperative and the
gauge is designed to withstand
these signals and orders
driven generator, engine-driven
PTU fails. For ground operations,
direct flame impingement without
control surface movements to
pumps, electro-mechanical, fluid the Green system may be fluid loss.
achieve the desired results.
conveyance, and power and load pressurized via the PTU. Blue
Eaton's filler plug has an easy
A centralized fault display management products. and Yellow systems may be
opening quick-disconnect filler
system (CFDS) helps reduce The hydraulic systems operate pressurized by the AC cap with strainer to allow operational delays by simultaneously under normal motorpumps. A hand pump
operators to add oil into the APU
permitting easy and rapid
conditions at a nominal pressure (operated from the ground on and starter housings.
identification of faulty line
of 3000 psi (20,700 kPa) and are
the Yellow system) facilitates Eaton also provides pressure
replaceable units within
capable of operating at all altitudes opening the cargo doors.
switches for the A320 family. A
normal turnaround time.
and temperatures covered by the Under emergency conditions,
differential pressure switch is
Airbus has designed the A320
aircraft flight envelope. In addition,
hydraulic power is generated by a
mounted on the V2500 engine to
series with turbofan engines each system has two different ram air turbine (RAT) pump,
detect filter clogging in the fuel,
commanded by digital fuel power sources for redundancy.
which is deployed automatically and LOP and scavenge oil systems. controls and provides Eaton Vickers® product line
drives an Eaton variable displacement When the pressure differential
commercial operators a large
variable-displacement inline pump pump (model PV3-115-EA1D).
between the high and low ports
cabin with flexible seating
(PV3-240-10C) is mounted on the The RAT pump provides flow to exceeds a pre-set value, the arrangements. accessory gearbox of each
an Eaton variable displacement
pressure sensor actuates a snap- engine. These engine-driven hydraulic (12,000 rpm) motor-
action electrical switch to signal
The A320 family is powered
pumps are equipped with an inlet
driven generator (HMDG), model the filter condition.
by two CFM 56-5 IAE V2500 or
boost impeller and EDV (electrical CMV3-022-EA3C, and generator
The lightweight altitude pressure
PW 6000 engines, rated at
depressurization valve). Two Eaton control unit (GCU), model MGC-
switch utilizes an aneroid capsule
20,000-33,000 pounds of
air-cooled, variable displacement, 050-EA2E, for the emergency to operate a snap-action
thrust per engine. With a
continuously rated motor pumps
electrical power system. The oil-
electrical switch. As part of the
maximum take-off weight of
(MPEV3-032-15) are AC electric cooled HMDG produces 5KVA
sanitation system, the 214C40-1
158,000 pounds (72,000 kg),
motor-driven inline pumps. (Older
(Power Factor 1.0 - 0.75 lagging) is used for remote sensing of
the single-aisle A318/A319/
aircraft may be fitted with the
of electrical power from the Blue
altitude. The switch is set to
A320/ A321 are capable of MPEV3-32-10B). system RAT pump. actuate at 16,000 feet and
accommodating 107 to 185 de-actuate at 12,000 feet.
passengers. And with a range These engine-driven pumps
The Airbus A320 family of aircraft
of 3,000 nautical miles, these
supply hydraulic power for the
engines are also equipped with
Eaton also provides fuel boost
aircraft can offer true
Green and Yellow systems under Eaton's Tedeco® chip collectors, pumps and canisters. They
transcontinental non-stop
normal conditions. The Blue AC
located in the secondary power
were specifically designed and
capability, whether business motor pump runs continuously,
system oil flow. The collectors manufactured to provide excel- or leisure travel. and the Yellow AC motor pump
capture ferrous wear particles lent pumping performance at
can be switched on by the crew. from gears and bearings that
high climb rates and altitudes Two engine-driven pumps and
could indicate impending failure. with many different types of the Blue AC motorpump will Eaton's chip collectors are
fuel. This pump has the ability to handle all normal hydraulic
equipped with self-closing valves
provide vapor free fuel, even at power requirements. permitting withdrawal of the
near boiling conditions, with hot volatile fuels. Under abnormal conditions, if magnetic probe for visual engine #1 becomes inoperative
inspection of the collected debris, or the Green system engine- with minimal loss of oil. 2
EATON Aerospace Group Aerospace Capabilities C5-12D April 2014
Airbus A320 Series Eaton Components 7 18 17 19 10 11 37 26 25 15 9 23 8 22 38 28 29 40 36 27 30 24 20 35 16 33 39 32 2 12 31 34 4 13 5 14 1 21
Fuel & Inerting Systems 3 6 20. Main Engine Fuel Pumps 21. VBV Gear Motor 22. Manual Ball Valve
23. Fuel Boost Pumps & Canisters 24. Jet Pumps - Scavenge 25. Refuel Couplings 26. Flush Cover & Cable Hydraulic Systems 27. Vent Valves 7. Power Transfer Unit 28. Drain Valves 8. Quick Disconnect Couplings 29. Check Valves 9. Inline AC Motorpump 30. Float Vent Valves 10. Inline Motor 31. Non-Return Valves 11. Fuel Manifold Assembly 32. Gas Charging Valves
12. Pressure Switches & Transducers 33. Shut-Off Valves Engine Solutions 13. Reinforced Hose Assemblies 34. Air Release Valves 1. Debris Monitoring 14. Engine-Driven Inline Pump
35. Pressure Reducing & Relief Valves 2. Lube Oil Accessories 15. Relief Valves 36. Pressure Holding Valves 3. Chip Collectors 16. RAT Driven Inline Pump 37. HP Ground Connect NRV 4. Liquid Level Gauges 17. Generator Control Unit
38. Magnetic Fuel Level Indicators 5. Filler Plug
18. Hydraulic Motor-Driven Generator
39. Level & Temperature Sensors 6. Gear Box Seals 19. Start Valve
40. Single and Twin Motor Actuators
EATON Aerospace Group Aerospace Capabilities C5-12D April 2014 3 A75J/1A6794/A75RD 2D1341 2D6546 A4139 & F9104 Chip Collectors Liquid Level Indicator Sight Gauge Filler Plug
Eaton’s chip collector, A75J, is
Eaton’s liquid level indicator
Eaton’s sight gauges are mounted
Eaton’s filler plug has an easy
located in the secondary power
provides a viewing port that allows
on the oil reservoir of the engine
opening quick-disconnect filler
system oil flow to capture ferrous
the operator to check oil level in
to provide visual indication of fluid cap with strainer to allow wear particles from gears and
the Auxiliary Power Unit. A high
level over a wide range. The unit is operators to add oil into the APU bearings that could indicate
contrast feature provides excellent
made to withstand direct flame and starter housings.
impending failure. Its self-closing readability in subdued light.
impingement without fluid loss.
valve permits withdrawal of the
An easy-opening quick dsconnect
magnetic probe for visual inspection
filler cap with strainer to allow
of the collected debris, with the
operators to add oil into the APU
loss of only a few drops of oil. and Starter housing. AE95336P HF0B9-180-EA2 1800 Series AE96787N
Ground Service Couplings Flow Bypass Valve
Quick Disconnect Couplings
Self-Sealing B-nut Fitting
This Eaton bypass valve is used to
The 1800 Series low profile self- Eaton combined a small
Eaton's ground service couplings
assist the ram air turbine pump
sealing ratchet lock thread togeth- envelope size with minimal
speed inspection and servicing or
start-up. The valve is designed to
er couplings, offer unsurpassed
weight to develop the low profile,
replacement of the power plant close when RAT pump flow
dependable service in aircraft and
self-sealing hydraulic "B" nut
and other aircraft fluid system
reaches a predetermined rate after missile hydraulic systems. The
fittings. The "B" nut design is for
components. Fluid lines may be which hydraulic power becomes
coupling is designed for high pres- both high and low pressure disconnected and connected
available to the active system.
sure applications ranging from hydraulic systems.
rapidly with virtually no loss of
Valve weight is 0.2 lbs (0.1 kg).
3000 psi to 5000 psi (20,684 kPa
fluid or introduction of air into
to 34,475 kPa) and is offered in the system.
both CRES and Titanium. The 1801
series coupling is designed for low
pressure applications of 1000 psi
(6,895 kPa) or less and is offered
in light weight aluminum. Both the
1800 and the 1801 series couplings
have been qualified to MIL-C-25427. 2
EATON Aerospace Group Aerospace Capabilities C5-12D April 2014 21SN04 214C40-1 666/AE641 HR6B9-002-EA5A
Differential Pressure Switch Altitude Switch
Stainless Steel Reinforced Hose Park Brake Relief Valve
Eaton’s 21SN04 pressure switch
Eaton’s lightweight altitude Assemblies
Eaton's Park Brake Relief Valve is
is mounted on the V2500 engine
pressure switch utilizes an aneroid
Reinforced hose assemblies for
installed in the aircraft's hydraulic
to detect filter clogging in fuel,
capsule to operate a snap-action
the A320 include the 666 smooth
braking circuit. It performs the LOP and scavenge oil systems.
electrical switch. As part of the bore, medium pressure hose function of protecting the
When the pressure differential
sanitation system, the 214C40-1
assemblies and the AE641 convo-
hydraulic circuit in the event of
between the high and low ports is used for remote sensing of
luted hose assemblies, which are
over-pressurization as a result of exceeds a pre-set value, the
altitude. The switch is set to
used in the low pressure return
hydraulic fluid thermal expansion
pressure sensor actuates a snap- actuate at 16,000 feet and
side of the hydraulic system and in
effects, or as a consequence of
action electrical switch to signal de-actuate at 12,000 feet. the fuel system.
an over-pressurization failure the filter condition.
Eaton's Aeroquip wire reinforced
mode within the hydraulic system.
medium pressure hose assemblies The valve also has a manual
are rated for pressures up to 1500
override function that allows for
psi (10,342 kPa) and feature a wire
the manual depressurizing of the
reinforced, Teflon® hose with light-
braking circuit, thus enabling the
weight, low profile crimp fittings.
system maintenance tasks to be undertaken. The valve weighs Convoluted hose assemblies 0.35 lbs (0.16 kg).
provide increased flexibility and
are excellent for use in areas that require a tight bend. MGC-050-EA2E PV3-115-EA1D
Fuel Boost Pump Type 8410 PV3-240-10C Generator Control Unit Ram Air Turbine Pump and Canister Type 8411 Engine-Driven Pump
Eaton's Generator Control Unit (only used on the A320) Eaton's Type 8410 canister
Main hydraulic power is supplied by (GCU) incorporates the latest
Eaton’s RAT pump is a two-stage
mounted fuel boost pump provides
two Eaton 37.5 gpm (141.95 L/min),
solid-state technology to provide
device, comprised of an axial piston
exceptional performance for high
3750 rpm, variable displacement,
high performance and reliability
pump and a centrifugal impeller for
climb rates and at high cruising
3000 psi (20,700 kPa), pressure in a compact package. The GCU
low inlet pressure operations.
altitudes with all conventional
compensated inline piston pumps.
houses the electronic circuitry to
Capable of being motored for ground aviation fuels, including JP4.
These highly reliable engine-driven control and test numerous
checkout, the pump also features a
pumps are equipped with an inlet
functions within the aircraft,
constant horsepower control to
While running, the motor is cooled boost impeller and electrical including: voltage and power
match air turbine power characteris-
and bearing lubricated by fuel depressurization valve (EDV).
regulations, protection for current
tics. This pump provides hydraulic
taken from the pump impeller by
Displacement is 2.40 cu. in/rev.
overload, voltage/frequency limits
power for the hydraulic motor-driven
the action of the reprime pump. (39.3 ml/rev). and permanent magnet
generator and for priority flight control This pump also removes air
generator (PMG) short circuit,
surfaces in the event power is lost in released from the fuel during servo-valve speed control and
both engines or when a total electric operation and gives reprime
built-in system test (BITE). The
power failure occurs. Displacement is capability after temporary GCU weighs 3.21 lbs (1.44 kg).
1.15 cu. in/rev. (18.84 ml/rev). Pump
interruption of the inlet supply. weight is 9.2 lbs (4.2 kg).
EATON Aerospace Group Aerospace Capabilities C5-12D April 2014 3 CMV3-022-EA3C MPEV-032-15 Summary Hydraulic Motor-Driven AC Motorpump
Eaton’s Aerospace Products Generator Two motor pumps are used. One MODEL or PART NUMBER DESCRIPTION
Eaton's Hydraulic Motor-Driven runs continuously in the Blue
Generator (HMDG) consists of a
System as a main power source. A75J/1A6794/A758RD Chip Collectors servo controlled variable The second motorpump, in the 2D1341 Liquid Level Indicator 2D6546 Sight Gauge displacement hydraulic motor
Yellow System, is generally used A4139 & F9104 Filler Plug
integrated with an AC electric
for ground maintenance, but may 1D6549 Debris Monitoring
generator. The HMDG drives the
be switched on during flight as an
emergency generator at a constant
auxiliary. Each motorpump uses a 1800 Series Quick Disconnect Couplings
speed of 12,000 rpm over a range 115/200 VAC, 400 Hz explosion- AE96787N Self-sealing B-nut Fitting
of output from 0 to 5 KVA. A ram
proof electric motor to convert MPHV3-115-1C Power Transfer Unit
air turbine-driven pump provides the aircraft electrical energy into MPEV3-032-15 AC Motorpump
hydraulic power source to the CSM. rotary motion to power the 8.5 214C40-1 Altitude Pressure Switch gpm (32 L/min), variable 21SN04 Differential Pressure Switch The AC generator is a liquid
displacement, 3000 psi (20,700 PV3-240-10C Engine-Driven Pump
cooled, 400Hz unit. Liquid cooling 666/AE641
Stainless Steel Refinforced Hose Assemblies
is provided by circulating hydraulic
kPa), pressure-compensated inline HR6B9-022-EA5A Park Brake Relief Valve motor fluid flow around the piston pump. Displacement is 9813385 Air Release Valve generator. The HMDG weighs
0.263 cu. in./rev. (4.3 ml/rev). CMV3-022-EA3C
Hydraulic Motor-Driven Generator 21.49 lbs (9.75 kg)
(Older aircraft may be fitted with MGC-050-EA2E Generator Control Unit the MPEV-032-10B). PV3-115-EA1D Ram Air Turbine Pump HF0B9-180-EA2 Flow Bypass Valve 7940061D Shut-Off Valve 0725175/ 0725185 Refuel Couplings 8410/8411 Pumps & Canisters 9811820/9815715 Check Valves 4127360
Drain & Vent Valve Assemblies 0727540/0727540
Flush Cover & Cable Assemblies HTE510016 Gas Charging Valves 3540000-1/3530000-1
Level & Temperature Sensors MPHV3-115-1C AE95336P Ground Service Couplings Power Transfer Unit 3901395 Scavenge Jet Pump Eaton's bi-directional Power HTE200002-1 Single Motor Actuators
Transfer Unit (PTU) is designed to HTE190001-1/HTE190001-2 Twin Motor Actuators
transfer hydraulic power between HTE420044 Pressure Holding Valves
two separate systems at constant HTE4918 Non-Return Valve pressure. The PTU has an 9508175 Float Vent Valves adjustable hydro-mechanical HTE46009/HTE46009-1 Duct and Non-Return Valves
pressure differential control, which 3508802/350883 Magnetic Fuel Level Indicators
senses the differential pressure between the two systems. This
control is integrated with the inline unit and controls the
variable displacement of the inline
unit and controls the variable displacement of the inline unit in the Yellow System. 2
EATON Aerospace Group Aerospace Capabilities C5-12D April 2014
The Eaton family of product line names reflects a proud heritage of quality and
innovation that has grown over the years through acquisition of a number
of highly respected aerospace companies. Eaton still uses many of those
companies’ names today, a reflection of their proud legacy of quality and customer satisfaction. Product Line or Series/ Product Name Product Descriptions Cage Codes AeroCheck® Hydraulic Check Valves 8W928 Aeroquip®
Hose Fittings, V-Band Couplings 00624 Ducting, Hoses U2569
Fuel Ducts, Flex Joints, Swivel Joints FA9C4 Rynglok® Tube Fitting Systems C2178 ArcSeal™
Dynamic Beam Separable Fittings 00624 Argo-Tech™ Engine Fuel Pumps 59875 Repair Station OCMF7 Fuel Systems, Pumps, Valves 86090 C-Seal™ Static Seals 15284 Carter®
Aircraft Ground Fueling Equipment 0DT23 Centurion™
Mechanical Seals and Sealing Components 77842 Eaton Actuators, Bellows, Seals F0562 Fuel Systems, Pumps, Valves K2523, U1918, U9084 Pressure Switches, Transducers 02750 Rotary/Linear Actuators 17472, 99145, 09790, 72121
Pneumatic Ducting, Rigid and Flexible Pneumatic Joints 15284 Flex-Form™ Brush Seals 77842 Flex-Ring™ Brush Seals 77842 Microplex™ E-Seal™ Semi-Static Seals 15284 QDM®
Quanitative Debris Monitoring System 97484 Radial C-Seal™ Semi-Static Seals 15284 U-Plex™ Rynglok® Tube Fitting Systems 00624 Sterer®
Hydraulic Motors, Actuators, Control Valves 99643, 76050, 09790, 52906 Sure-Mate® Quick Disconnect Couplings 00624 Tedeco® Chip Collectors 97484 Twist-Flex® Semi-Static Radial Type Seals 15284 Ultra-Mate®
Self-Sealing, Self-Locking Fluid Couplings 00624 U-Plex ™ Semi-Static Seals 15284 Vickers®
Hydraulic Pumps, Electric Motorpumps, Hydraulic Motors, 62983, 90166, K4413 Power Transfer Units Zapper® Debris Monitor 97484
EATON Aerospace Group Aerospace Capabilities C5-12D April 2014 3 Eaton Aerospace Group Copyright ©2014 Eaton 9650 Jeronimo Road All Rights Reserved Irvine, CA 92618
Copying or Editing is Forbidden tel: (949) 452-9500 Form No. C5-12E fax: (949) 452-9555 April 2014 www.eaton.com/aerospace