#B64D41/007

RAM AIR TURBINE SYSTEMS

A ram air turbine (RAT) system can include a generator (101) configured to be turned by a RAT (103) and to output an alternating current (AC) power, a generator control unit (GCU) (105) configured to …

DRIVE·Apr 15·1 min read

B64D41/007 HAMILTON SUNDSTRAND CORP [US]

MANUALLY ACTUATED HYDRAULIC CIRCUIT FOR RAM AIR TURBINE (RAT) RESTOW

A ram air turbine (RAT) restow system (100) includes an actuator assembly (26) with a piston (42) interposed between an upper fluid compartment (53) and a lower fluid compartment (52). The actuator as…

DRIVE·Jan 22·1 min read

B64D41/007 HAMILTON SUNDSTRAND CORP [US]

AC BUS TIE CONTACTOR INPUT INTO RAT AUTO-DEPLOY

A system includes a first AC bus (102) configured to supply power from a first generator (104). A first generator line contactor (GLC) (106) selectively connects the first AC bus to the first generato…

DRIVE·Aug 30·2 min read

B64D41/007 HAMILTON SUNDSTRAND CORP [US]

DC BUS VOLTAGE INPUT INTO RAT AUTO-DEPLOY

A system includes a first AC bus configured to supply power from a first AC power source. A second AC bus is configured to supply power from a second AC power source. A first transformer rectifier uni…

DRIVE·Sep 23·2 min read

B64D41/007 Hamilton Sundstrand Corporation

DC CONTACTOR INPUT INTO RAT AUTO-DEPLOY

DRIVE·Sep 23·1 min read

B64D41/007 Hamilton Sundstrand Corporation

SYSTEM FOR SYNCHRONISING ENERGY SOURCES COUPLED TO AN AIRCRAFT

The invention relates to a system for synchronising energy sources coupled to an electrical grid supplying at least one electrical load of an aircraft, said system comprising; a main source of electri…

DRIVE·Aug 5·1 min read

B64D41/007 SAFRAN

Inner housing assembly including retention slots

A ram air fan assembly (10) includes a motor/bearing housing (30) that extends along a horizontal length of the ram air fan assembly (10). An inner housing assembly (32) is in fluid communication with…

DRIVE·Sep 24·2 min read

B64D41/007 HAMILTON SUNDSTRAND CORP [US]

Single piece steel body for a governor of a ram air turbine and method of manufacture

A combination hub, counterweight and crank arm for a governor assembly in a ram air turbine is a single piece steel body (2). The body (2) has a hub section (12), an annular collar section (28) that s…

DRIVE·Mar 5·1 min read

B64D41/007 HAMILTON SUNDSTRAND CORP [US]

Power interruption bridge circuit

A controller (10,20) is employed in conjunction with an electrical power distribution system. The controller includes at least a first input (DC_Input) for receiving DC power from a DC power bus and a…

DRIVE·Oct 9·1 min read

B64D41/007 HAMILTON SUNDSTRAND CORP [US]