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System for dividing and transforming torque for vehicle operation and vehicle including same

A torque and vehicle technology, applied to the sealing of the engine, the transmission device, the fluid transmission device, etc., can solve the problems of low torque converter efficiency, increased production costs, and large torque transfer of the torque converter.

Active Publication Date: 2018-04-20
CATERPILLAR INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, torque converters are generally less efficient compared to mechanical clutches, resulting in poor fuel economy, having hydraulic losses, etc.
Additionally, torque converters in larger vehicle applications require substantial torque transfer, which can exacerbate these problems
Additionally, due to the increased torque required for larger vehicles, a larger torque converter is generally required, however this increases production costs and increases space requirements

Method used

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  • System for dividing and transforming torque for vehicle operation and vehicle including same
  • System for dividing and transforming torque for vehicle operation and vehicle including same
  • System for dividing and transforming torque for vehicle operation and vehicle including same

Examples

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Embodiment Construction

[0016] The invention will now be described with reference to the drawings, wherein like reference numerals refer to like parts throughout. Embodiments of the present invention advantageously provide a torque converter having a torque divider with a lock-up clutch that improves efficiency, improves fuel economy, and reduces hydraulic losses. Furthermore, a torque converter having a torque divider with a lock-up clutch reduces the overall size of the components and also reduces production costs. Finally, the torque converter and torque divider with lock-up clutch of the present invention are suitable for use with a vehicle.

[0017] figure 1 A torque converter and torque divider according to an aspect of the invention are shown. specifically, figure 1 A torque converter and torque divider 1 including a prime mover input 8 and a torque converter output 12 is shown. The torque converter and torque divider 1 also includes a torque divider 98 that divides the torque from the pri...

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PUM

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Abstract

The torque converter (136) and torque divider (1) includes the prime mover input (108) and the torque converter (136). The torque converter (136) and torque divider (1) also include a torque divider (1) configured to receive a prime mover input (108) and convert the prime mover input (108) to The torque is split into at least one planetary input torque (396) and a second torque (387). The planetary gear system (190) is configured to receive a planetary gear train input torque (396). The torque converter (136) and torque divider (1) also include a lockup clutch (10) configured to lock a rotating component of at least one of the torque converter (136) and torque divider (1), and also A torque output (112) is included.

Description

technical field [0001] The invention relates to a torque converter with a torque divider. More specifically, the present invention relates to a torque converter having a torque divider with a lock-up clutch. Background technique [0002] Many vehicles typically have a prime mover or internal combustion engine, a transmission to transmit drive power to move the vehicle, and a mechanism to selectively transfer rotational torque from the prime mover to the transmission. In some methods, the mechanism for selectively transferring rotation from the prime mover to the transmission includes a manual clutch. The manual clutch is efficient. However, operation of the manual clutch requires additional effort and additional monitoring of the operation by the vehicle operator. For example, this extra effort and additional monitoring of operations may be less than desirable since it can reduce operator efficiency. Another mechanism that transfers rotational torque from a prime mover t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H41/24F16H45/02F16H3/44
CPCB29C45/14778F16J15/125F16J15/20F16H47/08F16H2037/088
Inventor A·R·J·W·纳加拉杰T·J·梅
Owner CATERPILLAR INC
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