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Stamped steel pendulum and pendulum carrier for crankshaft

A technology of crankshaft and pendulum crankshaft, which is applied in the field of pendulum and pendulum support to achieve the effect of cost saving

Active Publication Date: 2016-10-05
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The high cost of known pendulums and their associated brackets is an economic barrier to widespread use of pendulums on crankshafts

Method used

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  • Stamped steel pendulum and pendulum carrier for crankshaft
  • Stamped steel pendulum and pendulum carrier for crankshaft
  • Stamped steel pendulum and pendulum carrier for crankshaft

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Embodiment Construction

[0022] In the following drawings, the same reference numerals will be used to designate the same components. In the following description various operating parameters and components are described for different construction embodiments. These specific parameters and components are included as examples and are not intended to be limiting.

[0023] refer to figure 1 , illustrates a view of a pendulum assembly according to the invention. refer to Figures 2 to 4 , illustrating a second embodiment of a pendulum and a pendulum bracket according to the inventive concept and a method of attaching the pendulum bracket to a crankshaft. refer to Figure 5 and 6 , illustrates a third embodiment of the pendulum bracket according to the present invention. refer to Figure 7 and 8 , illustrates a fourth embodiment of the pendulum bracket according to the present invention.

[0024] Figures 1 to 8 A pendulum and a pendulum support according to the inventive concept are disclosed. ...

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Abstract

A pendulum assembly comprises a cold forged steel or cold formed steel pendulum attached to a cold forged steel or cold formed steel carrier. The carrier is attached to the crankshaft. The pendulum assembly includes a first outer steel plate, a second outer steel plate, and an intermediate steel plate. The stamped plates are formed from flat sheet steel to provide the pendulum shape and features. The outer steel plates are attached to the intermediate steel plate by any of a variety of methods. The pendulum carrier of the disclosed inventive concept is comprised of one or more steel plates that are also cold forged or cold formed from steel to provide the pendulum carrier shape and features. Alternatively, the pendulum carrier may include two cold forged or cold formed portions attached together or three cold forged or cold formed portions attached together.

Description

technical field [0001] The present invention relates generally to pendulums and pendulum brackets for internal combustion engine crankshafts, and more particularly to stamped steel pendulums and pendulum brackets and methods of attachment. Background technique [0002] Internal combustion engines with a relatively small number of cylinders offer automakers an attractive solution to the need to improve fuel economy. To compensate for the reduction in cubic volume, vehicle manufacturers developed new technologies to increase engine power, such as direct fuel injection, turbocharging, and variable timing of the intake and exhaust camshafts. In this way, six- and eight-cylinder engines could be scaled down without losing available horsepower. [0003] An undesirable consequence of an engine with a small number of cylinders is high crankshaft torsional vibration, which is transmitted to the engine mount and drive train. This results in higher seat track and steering wheel Noise...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F15/14F16C3/20
CPCF16C3/12F16C3/20F16F15/1457F16F15/283
Inventor 杰弗里·艾略特·乔蒂纳约翰·爱德华·布里维克里基·L·威廉姆斯迈克·A·科普曼尼斯
Owner FORD GLOBAL TECH LLC
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