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公开(公告)号：US20210300533A1
公开(公告)日：2021-09-30
申请号：US16832173
申请日：2020-03-27
Applicant: Bell Textron Inc.
Inventor： Amarjit Olenchery Kizhakkepat , Andrew Paul Haldeman , Gary Miller , Diana Tinlin
IPC: B64C27/00 , F16F13/10 , F16F15/16 , F16F15/124
Abstract: One embodiment described herein is a damper for a rotor system, the damper comprising a cylindrical housing having a hollow interior; a piston disposed within the hollow interior and extending along a central axis of the housing; a first attachment member disposed on a first end of the damper and connected to the housing; a second attachment member disposed on a second end of the damper and connected to the piston; and a conductive cover wrapped around a portion of an exterior surface of the housing between the first attachment member and the second attachment member.
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公开(公告)号：US11447242B2
公开(公告)日：2022-09-20
申请号：US17082659
申请日：2020-10-28
Applicant: Bell Textron Inc.
Inventor： Andrew Paul Haldeman , Paul Wayne Woolbright , Bryan Baskin
IPC: B64C27/605 , B64C27/82
Abstract: A rotor assembly includes a pitch spider, rotor blade assemblies, and pitch horn joints. The pitch spider has a body and pitch spider legs extending from the body. Each blade rotor assembly includes a rotor blade, a pitch adapter joined to the rotor blade and connecting the rotor blade to the rotor hub, and a pitch horn. Each pitch horn joint joins one of the rotor blade assemblies to a corresponding pitch spider leg. Each pitch horn joint includes a pitch horn joint bolt extending from the pitch horn of the rotor blade assembly to the pitch spider leg along a pitch horn joint axis, the pitch horn joint bolt fixed to the pitch horn; a spherical bearing having an inner ring and an outer ring; and a slider sleeve coupled to the spherical bearing, the slider sleeve enabling the pitch horn to translate along the pitch horn joint axis.
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公开(公告)号：US11440651B1
公开(公告)日：2022-09-13
申请号：US17188785
申请日：2021-03-01
Applicant: Bell Textron Inc.
Inventor： Andrew Paul Haldeman , Paul Wayne Woolbright , Timothy McClellan Mosig , George Matthew Thompson
Abstract: A spherical bearing centrifugal force retention link includes an inboard spherical bearing to attach to a rotor hub and an outboard spherical bearing to attach to a rotor blade. In use, the inboard spherical bearing and the outboard spherical bearing react centrifugal force radially and a torsional moment of the centrifugal force link is substantially constant throughout the rotor blade pitch range.
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公开(公告)号：USD894814S1
公开(公告)日：2020-09-01
申请号：US29707473
申请日：2019-09-27
Applicant: Bell Textron Inc.
Designer： James Everett Kooiman , Michael Edwin Rinehart , Lynn Francis Eschete , Jason Paul Winter , Derek Ray Eddins , Steven Allen Robedeau, Jr. , Clegg Benjamin Brian Smith , Mark Loring Isaac , Andrew Thomas Carter , Aaron Alexander Acee , Glenn Alan Shimek , Jared Mark Paulson , Andrew Paul Haldeman , Brent Chadwick Ross , Steven Ray Ivans
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公开(公告)号：US11518506B2
公开(公告)日：2022-12-06
申请号：US17198007
申请日：2021-03-10
Applicant: Bell Textron Inc.
Inventor： Andrew Paul Haldeman , Michael Seifert , Timothy McClellan Mosig , Aaron Acee , Diana R. Tinlin , Andrew Thomas Carter , Glenn Thornton Lancaster
Abstract: A blade pitch adjustment mechanism includes a pitch cylinder having a first face and pitch slots extending longitudinally from the first face, a blade sleeve having a second face and a blade slot extending longitudinally from the second face, the blade sleeve is configured to be rotationally positioned in the pitch cylinder with the second face located with the first face, wherein the blade slot and the pitch slots are cooperative to form keyway, corresponding to a discrete blade pitch, when the blade slot is aligned with a pitch slot.
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Patent Agency Ranking
公开(公告)号：US11554864B2
公开(公告)日：2023-01-17
申请号：US16832173
申请日：2020-03-27
Applicant: Bell Textron Inc.
Inventor： Amarjit Olenchery Kizhakkepat , Andrew Paul Haldeman , Gary Miller , Diana Tinlin
Abstract: One embodiment described herein is a damper for a rotor system, the damper comprising a cylindrical housing having a hollow interior; a piston disposed within the hollow interior and extending along a central axis of the housing; a first attachment member disposed on a first end of the damper and connected to the housing; a second attachment member disposed on a second end of the damper and connected to the piston; and a conductive cover wrapped around a portion of an exterior surface of the housing between the first attachment member and the second attachment member.
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公开(公告)号：US11414184B2
公开(公告)日：2022-08-16
申请号：US16354591
申请日：2019-03-15
Applicant: Bell Textron Inc.
Inventor： Aaron Alexander Acee , Andrew Paul Haldeman , Eric Albert Sinusas , Yann Lavallee , Albert G. Brand
Abstract: An exemplary electric distributed propulsion system includes two or more rotors that are individually controlled by the rotational speed of associated motors, an input control connected to the associated motors to provide rotational speed control to the two or more rotors to produce a desired net thrust, and a logic connected to the input control and the associated motors, the logic for controlling speed and direction of the two or more rotors to achieve the desired net thrust and to avoid a motor speed condition.
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公开(公告)号：US20220126993A1
公开(公告)日：2022-04-28
申请号：US17082659
申请日：2020-10-28
Applicant: Bell Textron Inc.
Inventor： Andrew Paul Haldeman , Paul Wayne Woolbright , Bryan Baskin
IPC: B64C27/605 , B64C27/82
Abstract: A rotor assembly includes a pitch spider, rotor blade assemblies, and pitch horn joints. The pitch spider has a body and pitch spider legs extending from the body. Each blade rotor assembly includes a rotor blade, a pitch adapter joined to the rotor blade and connecting the rotor blade to the rotor hub, and a pitch horn. Each pitch horn joint joins one of the rotor blade assemblies to a corresponding pitch spider leg. Each pitch horn joint includes a pitch horn joint bolt extending from the pitch horn of the rotor blade assembly to the pitch spider leg along a pitch horn joint axis, the pitch horn joint bolt fixed to the pitch horn; a spherical bearing having an inner ring and an outer ring; and a slider sleeve coupled to the spherical bearing, the slider sleeve enabling the pitch horn to translate along the pitch horn joint axis.
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公开(公告)号：US10988243B2
公开(公告)日：2021-04-27
申请号：US16354421
申请日：2019-03-15
Applicant: Bell Textron Inc.
Inventor： Andrew Paul Haldeman , Gary Miller
Abstract: A tension-torsion strap, for example for a rotor aircraft, including a continuous length of carbon fiber tow arranged in multiple loops to form an elongated member extending between opposing ends and a flexible cover encasing the carbon fiber tow.
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