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Information Guide for Electric Motors which Drive Hydraulic Pumps

2016-04-25
WIP
AIR6855
This document provides an application guide for electric motors that drive aerospace hydraulic pumps. It provides details of the characteristics of electric motors powered by DC, Fixed Frequency AC, and Variable Frequency AC electrical systems. The applications include both military and commercial aircraft.
Standard

Compressor Units, Air/Gas, General Requirements For

2008-04-09
HISTORICAL
AS26805A
This specification covers the general requirements for the design and construction of air/gas compressor units (see 6.4.1). The detail requirements for a particular air compressor unit shall be as specified in the individual equipment specification for that particular air compressor unit (see 6.2).
Standard

Compressor Units, Air/Gas, General Requirements For

2013-06-13
CURRENT
AS26805B
This specification covers the general requirements for the design and construction of air/gas compressor units (see 6.4.1). The detail requirements for a particular air compressor unit shall be as specified in the individual equipment specification for that particular air compressor unit (see 6.2).
Standard

Compressor Units, Air/Gas, General Requirements For

2001-03-01
HISTORICAL
AS26805
This specification covers the general requirements for the design and construction of air/gas compressor units (see 6.4.1). The detail requirements for a particular air compressor unit shall be as specified in the individual equipment specification for that particular air compressor unit (see 6.2).
Standard

Aircraft Hydraulic Starter/Pumps

2013-10-28
CURRENT
AS838A
This specification established (1) the common requirements for hydraulic units capable of functioning as starters and as pumps suitable for use in aircraft and missiles and (2) the methods to be used for demonstrating compliance with these requirements.
Standard

PUMPS, HYDRAULIC, VARIABLE FLOW, GENERAL SPECIFICATION FOR

1998-05-01
HISTORICAL
AS19692
This specification and a detail pump specification establish the requirements for variable flow hydraulic pumps, for use in aircraft hydraulic systems conforming to and as defined in MIL-H-5440 and MIL-H-8891, as applicable. The general requirements for type I and type II hydraulic systems pumps are specified in MIL-H-8775 and for type III system pumps in MIL-H-8890.
Standard

Pumps, Hydraulic, Variable Flow, General Specification For

1999-07-01
HISTORICAL
AS19692A
This specification and a detail pump specification establish the requirements for variable flow hydraulic pumps, for use in aircraft hydraulic systems conforming to and as defined in MIL-H-5440 and MIL-H-8891, as applicable. The general requirements for type I and type II hydraulic systems pumps are specified in MIL-H-8775 and for type III system pumps in MIL-H-8890.
Standard

Aerospace – Military Type Variable Delivery, Pressure Compensated Hydraulic Pump

2016-06-22
CURRENT
AS19692B
This SAE Aerospace Standard (AS) establishes the general requirements for the design, construction, acceptance, and qualification testing of flat cut-off pressure compensated, variable delivery hydraulic pumps used in military aircraft hydraulic systems. It also provides parameters for a Procurement Specification to be used in conjunction with this AS. The hydraulic pumps defined by this AS are generally for use in aircraft hydraulic systems conforming to and as defined in AS5440 and MIL-H-8891, as applicable.
Standard

Motors, Aircraft Hydraulic, Constant Displacement General Specification For

2018-08-15
CURRENT
AS7997A
This Specification covers constant displacement hydraulic motors, generally remotely mounted, using hydraulic fluid under pressure as the energy transfer medium for driving various accessories. Hydraulic motors shall be suitable for use in aircraft hydraulic systems conforming to and as defined in MIL-H-5440 and MIL-H-8891 as applicable.
Standard

Motors, Aircraft Hydraulic, Constant Displacement General Specification For

1999-04-01
HISTORICAL
AS7997
This Specification covers constant displacement hydraulic motors, generally remotely mounted, using hydraulic fluid under pressure as the energy transfer medium for driving various accessories. Hydraulic motors shall be suitable for use in aircraft hydraulic systems conforming to and as defined in MIL-H-5440 and MIL-H-8891 as applicable.
Standard

Aerospace - Civil Type Variable Delivery, Pressure Compensated, Hydraulic Pump

2003-09-25
HISTORICAL
AS595C
This SAE Aerospace Standard (AS) establishes the general requirements for the design, construction, acceptance and qualification test of pressure compensated, variable delivery hydraulic pumps, used in civil aircraft hydraulic systems. It provides additional parameters for a Procurement Specification to be used in conjunction with this AS for each pump. This AS is applicable to hydraulic pumps driven by an engine, in systems conforming to the general requirements of ARP4752, and the regulations of FAR and/or JAR 25. It is also applicable to pumps driven by other power sources such as electric motors, ram air turbines and engine bleed air turbines.
Standard

Aerospace – Civil Type Variable Delivery, Pressure Compensated, Hydraulic Pump

2010-08-02
CURRENT
AS595D
This SAE Aerospace Standard (AS) establishes the general requirements for the design, construction, acceptance and qualification testing of flat cut-off pressure compensated, variable delivery hydraulic pumps, used in civil aircraft hydraulic systems. It also provides parameters for a Procurement Specification to be used in conjunction with this AS for each pump. NOTE: Hydraulic pumps may incorporate features such as a clutch in the input drive, which will not be covered by this standard.
Standard

High Pressure Pneumatic Compressors Users Guide For Aerospace Applications

1996-01-01
HISTORICAL
AIR4994
Gas compressors (air and other compressible fluids) have been used sporadically since the 1940's for various utility functions in aerospace applications. They have been used to provide power to gun purge and drive systems, engine or APU starters (recharge accumulators), reservoir pressurization, cockpit pressurization, braking systems, canopy seals, engine control devices, landing gear activation, and boosted flight controls (see Table 1). In current state-of-the-art aircraft, most pneumatic system power is extracted from a stage of compression in the turbo-jet engine. As more and more demands are put on new generation engines for fuel economy and performance there is an increasing need for a new source of pneumatic power. This document is intended to describe current state-of-the-art technology in compressors, define the limitations, discuss enhancements needed and attempt to predict the needs of the future.
Standard

High Pressure Pneumatic Compressors Users Guide For Aerospace Applications

2013-11-11
CURRENT
AIR4994A
Gas compressors (air and other compressible fluids) have been used sporadically since the 1940's for various utility functions in aerospace applications. They have been used to provide power to gun purge and drive systems, engine or APU starters (recharge accumulators), reservoir pressurization, cockpit pressurization, braking systems, canopy seals, engine control devices, landing gear activation, and boosted flight controls (see Table 1). In current state-of-the-art aircraft, most pneumatic system power is extracted from a stage of compression in the turbo-jet engine. As more and more demands are put on new generation engines for fuel economy and performance there is an increasing need for a new source of pneumatic power. This document is intended to describe current state-of-the-art technology in compressors, define the limitations, discuss enhancements needed and attempt to predict the needs of the future.
Standard

Missile Hydraulic Pumps

2013-09-30
WIP
AIR560D
in this AIR should be considered, as opposed to long-life operation and environmental requirements of a manned aircraft, engine-driven pump. Appendix A is intended to indicate typical environments for several different types of missiles. The actual requirements for a given system should be used and specified in the detailed specification.Missile pumps are categorized by a moderate testing life and a relatively short operational service life. Generally, the pumps are operated at higher speeds, temperatures, and pressures than those used in manned aircraft systems, yet reliability must be extremely high, since there rarely is a redundant system aboard the missile. Due to the short but critical life and performance requirements, development, reliability and acceptance testing should be focussed on eliminating infant mortality failures. Missile pumps must be compatible with very severe environmental conditions during the service life.
Standard

MISSILE HYDRAULIC PUMPS

1992-01-10
HISTORICAL
AIR560B
Missile pumps are categorized by a moderate testing life and a relatively short operational service life. Generally, the pumps are operated at higher speeds, temperatures, and pressures than those used in manned aircraft systems, yet reliability must be extremely high, since there rarely is a redundant system aboard the missile.
Standard

Missile Hydraulic Pumps

1999-12-01
CURRENT
AIR560C
Missile pumps are categorized by a moderate testing life and a relatively short operational service life. Generally, the pumps are operated at higher speeds, temperatures, and pressures than those used in manned aircraft systems, yet reliability must be extremely high, since there rarely is a redundant system aboard the missile. Due to the short but critical life and performance requirements, development, reliability and acceptance testing should be focussed on eliminating infant mortality failures.
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