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Flexure isolators and methods of compliant isolation

A flexure, part technology, used in the field of compliant engine mounts

Active Publication Date: 2022-03-15
LORD CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a significant disadvantage of elastomers comes in the form of the tendency, over time, of such elastomeric materials to exhibit compressive "set" when loaded (e.g., the elastomeric material the amount that fails to return to its original form after reacting to long-term static compressive loads) and / or exhibits "creep" characteristics (e.g., the time-dependent fraction of strain induced by pressure), requiring additional design considerations and trade-offs in any such design for the motion of the supported structure

Method used

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  • Flexure isolators and methods of compliant isolation
  • Flexure isolators and methods of compliant isolation
  • Flexure isolators and methods of compliant isolation

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Embodiment Construction

[0046] The present disclosure relates to compliant mounting devices and vibration isolation systems configured to reduce vibration and forces transmitted between a supported device, such as an aircraft engine, and a supporting structure, such as an aircraft fuselage, and to provide vibration and force isolation method. In some embodiments, the trunnion pin is rigidly attached to a supported device, such as an aircraft engine, and is inserted into the interior of an engine mount device that is rigidly attached to a supporting structure, such as an aircraft fuselage . In other embodiments, the trunnion pin is rigidly attached to a supporting structure, such as an aircraft fuselage, and is inserted inside an engine mount arrangement rigidly attached to a supported device, such as an aircraft engine . The engine mount arrangement is configured to provide stiffness in one or more radial directions (such as the vertical direction and the thrust direction of the aircraft on the gro...

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Abstract

An engine mount apparatus includes a housing, a carrier within a cavity in the housing, and a flexure flexibly connecting the carrier to the housing, wherein a pin is disposed in a bore in the carrier to support an engine. A method of providing isolation in an engine mount assembly comprising: transmitting force from a pin into a carrier; mechanically isolating the carrier from a housing by means of a flexure; One or more of the radially provided stiffness is higher than the axially provided stiffness of the bore.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to U.S. Provisional Patent Application No. 62 / 487,659, filed April 20, 2017, which is incorporated herein by reference in its entirety. technical field [0003] The subject matter disclosed herein relates to engine mounts. In particular, the presently disclosed subject matter relates to compliant engine mounts and associated methods of use to reduce the transmission of forces, vibrations, and static motion between a supported structure (eg, an engine) and a base structure or vehicle. Background technique [0004] Modern vehicles continue to provide improved sophistication and isolation to protect occupants from noise and vibration generated by vehicle components during travel. This improved refinement and vibration isolation is especially important in aircraft applications, especially for applications in small turbofan aircraft. [0005] Compliant mount systems are commonly used to re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F1/40B64D27/26F02C7/20F16F3/02B64D27/40
CPCF02K3/06F02C7/20F16F1/40F16F3/023F05D2260/96Y02T50/60B64D27/404B64D27/402B23Q11/0032F16F1/426F16F13/00B64D27/40
Inventor 丹尼尔·扎梅罗斯基
Owner LORD CORP
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