#HAMILTON SUNDSTRAND CORP [US]

DAMPER FOR A SHAFT IN AN AIRCRAFT

A shaft system (34) includes an outer shaft (38) including an outer surface and an inner surface defining a conduit (50) and an inner shaft (52) extending along at least a portion of the conduit. The …

DRIVE·Jun 3·1 min read

B64D27/402 HAMILTON SUNDSTRAND CORP [US]

COLD START INDUCTION HEATING AND BRAKING ARRANGEMENT

A drive system for an aircraft. The drive system includes a controller, a motor coupled to an H-bridge network, a DC link that can be coupled to the motor; and an electrical braking system (100) confi…

DRIVE·Jun 3·1 min read

B60L7/12 HAMILTON SUNDSTRAND CORP [US]

CONTROLLABLE FUEL NOZZLE VALVES WITH REDUNDANCY

A fuel system a main manifold (102) with an inlet (104) and a plurality of main manifold branches (108). Each valve in a plurality of valves is connected in fluid communication with a respective one o…

DRIVE·May 27·2 min read

F02C7/222 HAMILTON SUNDSTRAND CORP [US]

OXIDIZING AGENTS FOR EMERGENCY POWER UNITS

In accordance with at least one aspect of this disclosure, an emergency power unit system for an aircraft includes a fuel cell system (102) configured to generate power using a fuel and an oxidant, an…

DRIVE·May 20·1 min read

B60L50/70 HAMILTON SUNDSTRAND CORP [US]

CURRENT BALANCING

A system includes a first input line (102) for a first voltage source (104), wherein the first input line is connected to a first output (106). A second input line (108) is included for a second volta…

DRIVE·Apr 29·1 min read

G05F1/575 HAMILTON SUNDSTRAND CORP [US]

IMPROVED BEARING COOLING SCHEMES FOR AIRCRAFT FANS

Aircraft and aircraft blower systems are described. The blower systems include a shaft (214), a motor having a stator (210) and a rotor (212), the rotor being operably coupled to the shaft, a fan (206…

DRIVE·Apr 22·1 min read

B64D13/00 HAMILTON SUNDSTRAND CORP [US]

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]

AUXILIARY POWER GENERATION AND COOLING SYSTEMS ON LIQUID HYDROGEN FUELED AIRCRAFT

A hydrogen fueled power system (10) of a vehicle includes a liquid hydrogen fuel source (14) having a volume of liquid hydrogen fuel and a thermal engine (20) configured to expand the liquid hydrogen …

DRIVE·Apr 15·2 min read

B60L50/70 HAMILTON SUNDSTRAND CORP [US]

PERMANENT MAGNET GENERATOR BAND BRAKES

A system includes a permanent magnet generator (PMG) with a generator shaft (104) defining a longitudinal axis. A brake system includes a brake shaft (108) with a first end operatively connected to th…

DRIVE·Apr 15·1 min read

F01D21/006 HAMILTON SUNDSTRAND CORP [US]

ANNULAR ARRANGEMENT OF HEAT EXCHANGERS

A heat exchanger having: front and aft ends (110, 120); heat exchanger cores (130) in an annular loop (140) that define circumferential gaps (150) between adjacent pairs of the cores, the cores, indiv…

DRIVE·Apr 15·2 min read

F02C7/08 HAMILTON SUNDSTRAND CORP [US]

POWER LINE COMMUNICATION FOR AIRPLANE.

A power system is provided and includes an electrical element, feeder lines (130, 430) by which the electrical element is receptive of first signals at first frequency ranges, first and second line re…

DRIVE·Apr 15·1 min read

B64D41/00 HAMILTON SUNDSTRAND CORP [US]

HIGH TURN DOWN RATIO DIRECT CONTROL FOR VARIABLE DISPLACEMENT PUMPS WITH FLOW SENSING

A system includes a variable displacement pump (VDP) (102) in fluid communication with an inlet line (104) and with an outlet line (106). A bypass valve (BPV) (110) includes a BPV inlet (112) in fluid…

DRIVE·Apr 8·2 min read

F02C7/22 HAMILTON SUNDSTRAND CORP [US]

HYBRID PROPULSION SYSTEMS

A hybrid propulsion system (100) can include a turbomachine (101) having a compressor (101a), a combustion chamber (101b), and a compressor turbine (101c)). The compressor can be connected to the comp…

DRIVE·Apr 8·1 min read

B60L50/60 HAMILTON SUNDSTRAND CORP [US]

FUEL DELIVERY PUMP SELECTION

In accordance with at least one aspect of this disclosure, a pump selector system can include a primary pump (104) fluidly connected to provide a primary flow to a fluid destination (110), a secondary…

DRIVE·Apr 1·1 min read

F01D21/003 HAMILTON SUNDSTRAND CORP [US]

ACTIVE FLOW CONTROL SYSTEM

In accordance with at least one aspect of this disclosure, a system for active flow control includes one or more flow control devices (102) configured to control flow between a fluid source (104) and …

DRIVE·Apr 1·1 min read

F02C7/232 HAMILTON SUNDSTRAND CORP [US]

FLUID PUMP SYSTEMS

A fluid pump system can include a controllable pump (101) configured to generate a pump flow through the controllable pump and to output an output flow to an output line (103). The fluid pump system c…

DRIVE·Apr 1·1 min read

F02C7/22 HAMILTON SUNDSTRAND CORP [US]

TAIL CONE MOUNTED GENERATOR INPUT SHAFT FOR AN AIRCRAFT

A jet engine includes a housing (12), an intake portion (14) leading into the housing, and an exhaust portion (16) leading from the housing. The exhaust portion includes an exhaust duct (23) and a tai…

DRIVE·Apr 1·2 min read

B64D33/02 HAMILTON SUNDSTRAND CORP [US]

WASTE HEAT CAPTURE USING TAIL CONE OF A GAS TURBINE ENGINE

A waste heat capture system that can be used with at least a gas turbine engine (200). The system includes: an air scoop (202) connected to a first component, the air scoop (202) configured to direct …

DRIVE·Mar 25·2 min read

F01D15/10 HAMILTON SUNDSTRAND CORP [US]

FUEL SYSTEMS

A fuel system (100) can include a selection and shutoff valve, SSOV, (101) configured to allow a primary flow having a primary flow pressure (P3) to pass therethrough in a first state such that the pr…

DRIVE·Mar 11·1 min read

F02C7/22 HAMILTON SUNDSTRAND CORP [US]

HIGH SPEED TURBO-ALTERNATOR WITH INTEGRATED COOLING FAN

A blower (142) including: a forward end (202); an aft end (204) located opposite the forward end; a shaft (210) located at the aft end (204); a flange (250) located at the forward end (202); an intern…

DRIVE·Feb 18·1 min read

B64C39/026 HAMILTON SUNDSTRAND CORP [US]

BANKED FORCE MODIFICATION FOR FUEL NOZZLES

A system includes a plurality of injectors (106) each having a respective main circuit (132) configured to be connected in fluid communication with one manifold for supplying fuel to each injector in …

DRIVE·Feb 11·2 min read

F02C7/228 HAMILTON SUNDSTRAND CORP [US]

DUAL VALVE FUEL METERING SYSTEMS

A dual valve fuel metering system comprising a flow path defined between a fuel inlet (114) and a fuel outlet (116). The flow path includes a primary flow path (120) and a secondary flow path (122), w…

DRIVE·Jan 28·1 min read

F02D41/3005 HAMILTON SUNDSTRAND CORP [US]

INDUCTION MOTOR CONTROL VIA GENERATOR CONTROL UNIT

A propulsion system (100) comprises: a generator (30) driven by a shaft (22) of a thermal engine (20) and configured to generate electrical power; an induction motor (60) that is electrically coupled …

DRIVE·Jan 28·1 min read

F01D7/00 HAMILTON SUNDSTRAND CORP [US]

DIRECT CONTROLLED VARIABLE DISPLACEMENT PUMPS WITH THERMOSTATICALLY CONTROLLED BYPASS

A system includes a variable displacement pump (VDP (102)) in fluid communication with an inlet line (104) and with an outlet line (106). The VDP (102) includes a variable displacement mechanism (108)…

DRIVE·Jan 21·2 min read

F02C7/22 HAMILTON SUNDSTRAND CORP [US]

SYSTEMS AND METHODS FOR COKING MITIGATION IN FUEL SUPPLY SYSTEMS

A fuel supply component (101, 110) with coking mitigation includes a housing (105) having a main fuel inlet (125) and a main fuel outlet (127). The main fuel inlet and outlet define a main fuel flow p…

DRIVE·Jan 14·1 min read

C10L10/04 HAMILTON SUNDSTRAND CORP [US]

SUPERCRITICAL CARBON DIOXIDE-COOLED GENERATOR AND TURBINE

Power generation systems are described. The systems include a shaft (508, 608, 708), a compressor (202) operably coupled to a first end of the shaft (508, 608, 708), a turbine operably coupled to a se…

DRIVE·Jan 7·2 min read

F01K25/103 HAMILTON SUNDSTRAND CORP [US]

MULTI-SPOOL CO2 AIRCRAFT POWER SYSTEM FOR OPERATING MULTIPLE GENERATORS

A CO2 bottoming cycle (40) system includes a first compressor (46) operatively connected to a first turbine (48) through a first shaft (50). A first generator is operatively connected to the first sha…

DRIVE·Dec 31·1 min read

F01D15/10 HAMILTON SUNDSTRAND CORP [US]

AMBIENT AIR ARCHITECTURE WITH SINGLE ACM WITHOUT AN AMBIENT TURBINE

An environmental control system includes a plurality of inlets (22, 24, 28) for receiving a plurality of mediums including a first medium and a second medium and an outlet for delivering a conditioned…

DRIVE·Dec 31·2 min read

B64D13/02 HAMILTON SUNDSTRAND CORP [US]

COMBINED CONTROL VALVE AND AIR TURBINE STARTER

A combined air turbine starter and flow control valve includes a turbine (28) having turbine blades (44) and a shaft rotating with the turbine blades (44). The turbine (28) is received within a nozzle…

DRIVE·Dec 31·1 min read

F01D17/16 HAMILTON SUNDSTRAND CORP [US]

DIRECT CONTROL VARIABLE DISPLACEMENT METERING PUMPS

DRIVE·Dec 31·1 min read

F02C7/22 HAMILTON SUNDSTRAND CORP [US]

THERMAL ISOLATION SYSTEM FOR MICRO-TURBINE ALTERNATOR

An electrical power generation system (50) including: a micro-turbine alternator (100), including: a decomposition chamber (162); a turbine (152) including blades (125) driven by combustion gases from…

DRIVE·Dec 31·1 min read

F01D15/10 HAMILTON SUNDSTRAND CORP [US]

SPLINED SHAFT ASSEMBLY WITH PILOTING FEATURES

A shaft assembly having: a first shaft (170) with an inner facing surface having: an inner facing spline (190) extending between spline ends; an inner facing projection, adjacent to one of the spline …

DRIVE·Dec 24·2 min read

F02C7/32 HAMILTON SUNDSTRAND CORP [US]

FUEL PUMP SYSTEMS

A fuel pump system (100) can include a motor (101) and a pump (103) connected to the motor. The pump can be configured to receive an inlet flow from an inlet line (105), to pressurize the inlet flow, …

DRIVE·Dec 24·1 min read

B64D37/20 HAMILTON SUNDSTRAND CORP [US]

SMART POWER ROUTER AND PROTECTION FOR MEDIUM VOLTAGE DC DISTRIBUTION

Systems and methods of operating for a smart power router (900a) for boosting and protection are provided. Aspects include a power router (900a) comprising a plurality of terminals, a first DC power s…

DRIVE·Dec 17·2 min read

B64D41/00 HAMILTON SUNDSTRAND CORP [US]

EXTINGUISHING BATTERY THERMAL RUNAWAY

A system (100) includes a stack (102) of battery cells (104) within a container (106). An interior space (108) of the container (106) is filled with a coolant in direct contact with the cells (104). T…

DRIVE·Dec 17·1 min read

H01M10/613 HAMILTON SUNDSTRAND CORP [US]

VARIABLE DISPLACEMENT PUMP WITH BACK-UP

A system includes a variable displacement pump (VDP) (102) with a pump inlet (104) and a pump outlet (106). The VDP is configured to receive a flow at the pump inlet at a first pressure and to outlet …

DRIVE·Dec 10·2 min read

F02C7/232 HAMILTON SUNDSTRAND CORP [US]

COMBINED INTEGRATED WASTE HEAT RECOVERY AND INLET PRESSURE BOOST SYSTEM

The electrical power generation system (50) including a micro-turbine alternator (100). The micro-turbine alternator including a combustor (162), at least one turbine (152, 154) configured to be drive…

DRIVE·Dec 3·1 min read

F01D15/10 HAMILTON SUNDSTRAND CORP [US]

METAL PLATED ADDITIVELY MANUFACTURED PLASTIC ROTORS AND THEIR METHOD OF MANUFACTURING

A rotor for use in a turbomachine includes a hub (100) centered on a central axis and having a disk portion (220) and a shaft portion (218) and a blade (202) extending outward from the hub. The hub an…

DRIVE·Nov 19·2 min read

B29C64/10 HAMILTON SUNDSTRAND CORP [US]

PRESSURE SENSITIVE STOP STROKE FOR VARIABLE DISPLACEMENT PUMPS

DRIVE·Nov 12·1 min read

F02C9/30 HAMILTON SUNDSTRAND CORP [US]

CUSTOMIZED SECONDARY POWER DISTRIBUTION ASSEMBLY GENERATED FROM CUSTOMIZABLE SECONDARY POWER DISTRIBUTION ASSEMBLY

A method (400) of generating a customized secondary power distribution assembly (SPDA) includes generating one or more customizable SPDAs (100A-N). Each of the one or more customizable SPDAs is a cons…

DRIVE·Nov 12·1 min read

B64D41/00 HAMILTON SUNDSTRAND CORP [US]