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: 2017-01-31

An aircraft control system includes a propeller shaft assembly. Also included is first rotor operatively coupled to the propeller shaft assembly, the first rotor having a first plurality of blades mounted thereto, the first blades disposed at a substantially identical nominal pitch during rotation of the first rotor, the first rotor rotatable in a first direction. Further included is a second rotor operatively coupled to the propeller shaft assembly and rotatable in a second direction, the second rotor having a second plurality of blades mounted thereto, wherein a pitch of the second blades cyclically changes during rotation of the second rotor, the first rotor and the second rotor disposed and rotated proximate a fixed wing of an aircraft about a common axis extending parallel to a longitudinal axis of the aircraft, cyclically changing the pitch of the second plurality of blades generating a moment for controlling the aircraft.


Patent
Hamilton Sundstrand | Date: 2017-05-17

A method 100 includes receiving 101 torque data of a powder recoater (201) operatively connected to an additive manufacturing system (200). The torque data includes torque data of the recoater (201) when the recoater traverses a build area (205). The method also includes determining 103 a quality of one or more of an additive manufacturing process and/or product based on the torque data.


Patent
Hamilton Sundstrand | Date: 2017-05-17

A method for controlling a vehicle is provided. The method includes generating a digital control signal, generating a digital simulated signal based on the control signal, the digital simulated signal simulating one of a mechanical or analog input signal, converting the digital simulated signal into an analog signal, and controlling a control device of the vehicle using the analog signal.


Patent
Hamilton Sundstrand | Date: 2017-05-17

A method 100 includes receiving 101 an image from an optical imaging device (207) disposed in operative communication with an additive manufacturing machine (200), wherein the image includes at least part of a build area (205) of the additive manufacturing machine, determining (103) a reflectance of at least a portion of the build area based on the image to create reflectance data, and determining (105) a quality of one or more of an additive manufacturing process and/or product based on the reflectance data. The method can further include converting the image to greyscale if the image is not in greyscale.


A pump assembly (10) is provided and includes a housing (20) having first, second and third pairs of fluid openings (203, 204; 206, 207; 209, 210) and first, second and third rotary pumps (41, 42, 43), which are co-rotatable about a common longitudinal axis (44) defined through the housing (20) to drive fluid flow relative to the first, second and third pairs of fluid openings (203, 204; 206, 207; 209, 210), respectively. The first rotary pump (41) includes an input member (410) receptive of rotational drive energy for the first, second and third rotary pumps (41, 42, 43).


Patent
Hamilton Sundstrand | Date: 2017-05-24

A printed circuit board includes a body and a belly pad seated within with the body. The belly pad (108) is electrically separated into a first pad (110) and a second pad (112). The first pad and the second pad are arranged to be electrically connected to one another by an interconnect (106) electrically connecting the belly pad to a conductive plane (126) of an electrical component, thereby allowing continuity testing across an interface between the first pad and the interconnect.


Patent
Hamilton Sundstrand | Date: 2017-05-24

An electromagnetic actuator (100) includes first winding and second windings passing through a first core and a second core, respectively. The first and second cores are arranged such that the first and second core slots form a gap their respective cores between the first and second windings and the first and second permanent magnets and the first and second core slots have a slot opening width (a), the first and second magnets have a magnet height (h) measured along the central axis that the first and second cores have a core height (H) measured along the central axis and h > a; H> h; and H-h < 0.5H.


Patent
Hamilton Sundstrand | Date: 2017-05-24

An electromagnetic actuator (100) includes a magnetic circuit (101) that includes a stationary core having a first leg, a second leg and a connecting leg that connects the first and second legs, the stationary core (102) being formed of a high temperature ferromagnetic material, and an armature (104) formed of the high temperature ferromagnetic material. The actuator also includes one or more position returning members (110) disposed between the stationary core and the armature and a first winding (108) surrounding the first leg, the first winding being formed a metal wire with ceramic insulation.


Patent
Hamilton Sundstrand | Date: 2017-05-31

A header (316) for a heat exchanger having a first phase (316a) with a first pipe connector defining a first flow path and a second pipe connector defining a second flow path fluidly isolated from the first flow path. A second phase (316b) in which the first and second flow paths are merged while maintaining fluid isolation of the two flow paths wherein in the second phase the first flow path comprises at least one first layer and the second flow path comprises at least one second layer. A third phase (316c) in which the at least one first layer and the at least one second layer are substantially overlapping and wherein the third phase is configured to fluidly connect the first flow path to a first section of a core of a heat exchanger and the second flow path to a second section of the core different from the first section.


Patent
Hamilton Sundstrand | Date: 2017-05-31

A sensor supply tube assembly (150) is provided for disposition within a compressor outlet (120) through which a main flowpath (121) is defined and a sensor port (130) transversely coupled to the compressor outlet (120). The sensor supply tube assembly (150) includes first and second tubes (160, 170). The first tube (160) is formed to direct main flowpath fluid from the compressor outlet (120) and through a portion of the sensor port (130) and includes first and second ends (161, 162) disposed within the sensor port (130) and the compressor outlet (120), respectively, and a curved section (163) interposed between the first and second ends (161, 162). The second tube (170) includes a sleeve (171) tightly fittable between the first end (161) and the sensor port (130) and a base (172). The base (172) has an exterior surface (173) from which the sleeve (171) extends and which is disposed and configured to non-rotatably abut with an interior surface of the compressor outlet (120).

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