Powertrain mounted rolling limiter with compression rubber element
A power transmission system and transmission system technology, applied in the field of rolling limiter of the power transmission system, can solve problems such as the influence of rubber durability
Pending Publication Date: 2022-07-29
FORD GLOBAL TECH LLC
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- Abstract
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- Application Information
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Problems solved by technology
This conventional shear-type TRR provides a linear rate of stiffness change, however as displacement increases, the durability of the rubber may suffer, requiring thicker rubber sections in the TRR
Method used
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[0017] As required, detailed embodiments of the present invention are disclosed herein; however, it is to be understood that the disclosed embodiments are merely exemplary of the invention that may be embodied in various and alternative forms. The figures are not necessarily to scale; some features may be exaggerated or minimized to show details of particular components. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention.
[0018] Furthermore, all numerical quantities in this disclosure are understood to be modified by the word "about" unless expressly indicated otherwise. The terms "substantially," "substantially," or "about" may be used herein and may modify a disclosed or claimed value or relative characteristic. In such cases, "substantially", "substantially" or "about" may mean that the value or rela...
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The present disclosure provides a "powertrain mounted rolling limiter with a compressed rubber element". A powertrain torque rolling limiter includes a first bracket having an elongate body defining a first bracket opening at a distal end and defining a central axis; the second bracket is coaxial and adjacent to the first bracket; the third support is coaxial with and adjacent to the second support and opposite to the first support, and the third support defines a third support opening capable of being matched with the first support opening. The second bracket defines a second bracket opening that receives the elongated body such that the second bracket is positioned about the elongated body. The powertrain torque rolling limiter also includes a first rubber element positioned between the first bracket and the second bracket, and a second rubber element positioned between the second bracket and the third bracket, where the brackets are configured to maintain the respective rubber elements in a compressed state.
Description
technical field [0001] The present application relates to a powertrain roll limiter for a motor vehicle, and more particularly to a powertrain roll limiter in a compressed state. Background technique [0002] Automotive powertrains, which typically include an engine and a transaxle, utilize roll limiters to limit driveline rolling motion due to the reaction of driveline torque and unwanted rotation of the engine and transaxle about a central axis. The central axis may be aligned with the central axis of the crankshaft of the engine, or may be positioned parallel thereto. Conventional automotive powertrain roll limiters utilize brackets to attach the limiter to the transaxle or engine. [0003] The powertrain roll limiter has multiple functions including isolating engine excitation forces simultaneously at both idle (low force preload) and wide open throttle (high force preload), while also controlling during highly transient dynamic events The drivetrain rolls. Both of th...
Claims
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IPC IPC(8): B60K5/12B60K17/04
CPCB60K5/1275B60K17/04F16H57/025F16H57/028B60K5/1225B60K17/06B62D21/02
Inventor T·马泰K·斯塔克朱琳Y·海拉特
Owner FORD GLOBAL TECH LLC