Charlotte, NC, United States
Charlotte, NC, United States

Hamilton Sundstrand was an American globally active corporation that manufactured and supported aerospace and industrial products for worldwide markets. A subsidiary of United Technologies Corporation, it was headquartered in Windsor Locks, Connecticut. The company was formed from the merger of Hamilton Standard and Sundstrand Corporation in 1999. In 2012, Hamilton Sundstrand was merged with Goodrich Corporation to form UTC Aerospace Systems. Wikipedia.


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Patent
Hamilton Sundstrand | Date: 2016-06-03

An airplane is provided. The airplane includes an environmental control system that provides a pressurized medium to a chamber of the airplane. The airplane also includes a bleed system. The bleed system includes a plurality of ports, each of which can provide a bleed medium from an engine of the airplane to the environmental control system. The plurality of ports includes at least a first port, a second port, and a third port. The first port is selected for an idle condition. The second port is selected for a hot day cruise condition. The third port is selected for a standard operating condition. The bleed system can operate in a first mode, a second mode, or a third mode to provide the bleed medium to the environmental control system from the first port, the second port, or the third port respectively.


Patent
Hamilton Sundstrand | Date: 2016-06-07

A system is provided. The system includes a first environmental control sub-system, operating in a first mode, that receives a first medium at a first flow amount and a first pressure. The system also includes a second environmental control sub-system, operating in a second mode, that receives a second medium at a second flow amount and a second pressure. The first flow amount is greater than the second flow amount, and the second pressure is greater than the first pressure.


Patent
Hamilton Sundstrand | Date: 2016-06-08

An airplane is provided. The airplane includes a pressurized compartment and an environmental control system. The environmental control system includes a compressing device. The compressing device includes a compressor and a turbine. The airplane also includes a first flow of first medium configured to enter the pressurized compartment and a second flow of the first medium configured to enter the turbine.


Patent
Hamilton Sundstrand | Date: 2016-06-08

An airplane is provided. The airplane includes a vapor cycle air conditioning system that receives outside air, a bleed system with at least one port, and an electric fan. A source of outside air when the airplane is on ground is forced air from the electric fan. The source of the outside air when the airplane is at cruise is bleed air from the at least one port.


Patent
Hamilton Sundstrand | Date: 2016-06-15

A multi-slice electromechanical hinge-line rotary actuator includes a motor stator 37 configured to generate rotational motion about a rotational axis 18. The multi-slice electromechanical hinge-line rotary actuator further includes a plurality of layers rotatably coupled to the motor stator. Each layer includes an output arm slice 36 configured to rotate about the rotational axis in response to the rotational motion.


Patent
Hamilton Sundstrand | Date: 2016-08-23

A method for replacing a portion of a first outer bearing assembly for a generator with a second outer bearing assembly. The first outer bearing assembly includes a first liner and a first outer bearing race. The method includes removing the first outer bearing race and the first liner and inserting a second liner. The second liner is matched to a given diameter such that the second outer bearing assembly fits within the generator. A position ring of the second outer bearing assembly is inserted against the machined second liner and a generator housing. A second bearing race of said second outer bearing assembly is inserted against the position ring. The second bearing race of the second outer bearing assembly is connected against the position ring and against a generator housing.


Patent
Hamilton Sundstrand | Date: 2016-02-17

An actuator (24) for a ram air turbine system (10) includes a piston rod (42) that is cylindrical in shape and centered about a centerline (A), and stow lock pawls (48) supported by the piston rod (42) and able to move radially. Each of the stow lock pawls (48) has a crown (74) with a crown radius (r2). The actuator (24) further includes a lock bolt (52) extending along the centerline (A) radially within the piston rod (42) and configured to be axially movable within the piston rod (42) between a stowed position and a deployed position. The actuator (24) further includes rollers (57) radially outward from the centerline (A) configured to be guided by the lock bolt (52) and a cylinder (36) having a mating surface (68) with a mating radius (r2). The cylinder (36) is positioned radially outward from the piston rod (42) and configured to be axially movable between the stowed position and the deployed position. A ratio of the crown radius (r2) of the stow lock pawls (48) to the mating radius (r1) of the cylinder (36) is less than 0.98.


A system and method that comprises an air cycle machine (240), a flow of bleed air, at least one heat exchanger (220), and an inlet (201) configured to supply the flow of the bleed air is provided. The bleed air flows from a source to mix with recirculated air in accordance with a high pressure mode or a recirculation chilling mode. The system and method can also utilize the recirculated air flowing from the chamber (202) to drive or maintain the air cycle machine (240) in accordance with the above modes.


Patent
Hamilton Sundstrand | Date: 2016-09-21

A bleed valve assembly 16 includes a flow duct 18 with an inlet 34 and an outlet 36 disposed downstream from the inlet. The outlet 36 is smaller in cross-sectional area than a region of the flow duct 18 disposed between the inlet 34 and the outlet 36. A piston housing 20 is disposed inside the flow duct 18 between the inlet 34 and the outlet 36 so as to form an annular flow passage between the flow duct 18 and the piston housing 20. The piston housing 20 is axially aligned with a center axis of the flow duct 18. At least one rib 24 extends between the flow duct 18 and the piston housing 20. A sleeve piston 26 is disposed inside the piston housing 20 and is configured to extend downstream of the piston housing 20 in a closed position. The sleeve piston 26 comprises an outer wall that is at least the same in cross-sectional area as the outlet of the flow duct 18.


Patent
Hamilton Sundstrand | Date: 2016-09-14

A valve system (12) includes a valve, a valve controller (30), a thermoelectric cooler (40), and a controller (20). The valve is configured to open and close a control device in response to a working fluid. The valve controller (30) controls the flow of the working fluid through the valve. The thermoelectric cooler (40) surrounds the valve controller transfers heat between the valve controller and an ambient environment. The controller (20) directs a current to drive the thermoelectric cooler (40).

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