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Infinitely adjustable surround transmission and fluid system for the same

A transmission device and fluid system technology, applied in the direction of transmission device, transmission device control, components with teeth, etc., can solve problems such as large implementation and loss, and achieve the effect of reducing current demand, reducing driving power, and simplifying loading

Active Publication Date: 2021-11-05
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This continuous current not only creates a permanent power drain and continuous losses from the on-board electrical system of the motor vehicle, but also leads to the fact that the electric motor of the first pump has to be made larger for thermal reasons and even has to be actively separated and cooled in order to maintain this continuous current

Method used

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  • Infinitely adjustable surround transmission and fluid system for the same
  • Infinitely adjustable surround transmission and fluid system for the same
  • Infinitely adjustable surround transmission and fluid system for the same

Examples

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Embodiment Construction

[0029] combine figure 1 A fluid system 1 according to a first embodiment according to the invention can be seen. exist figure 1 In this case, the fluid system 1 has been inserted into the infinitely adjustable revolving gear 2 in order to actuate the transmission of the revolving gear 2 , which is not further shown here for the sake of clarity. During its operation, the infinitely adjustable surround transmission 2 is integrated into the drive train of the motor vehicle in a conventional manner. A first disc pack 9 (formed by a pair of discs) surrounding the transmission 2 is non-rotatably connected to the drive shaft in a conventional manner, while a second (likewise The disk pack 13 (formed by a disk pair) is connected in a rotationally fixed manner to the output shaft. Therefore, each disk group 9, 13 has at least one first disk that can move relative to the second disk, wherein the relative displacement position of the first disk and the second disk can be controlled by...

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PUM

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Abstract

The invention relates to a fluid system (1) for an infinitely adjustable revolving gear (2), the fluid system having a first motor-driven pump (3) and a second motor-driven pump (4), wherein The first port (5) of the first pump (3) is connected to the line section (7) leading to the reservoir (6) and the second port (8) of the first pump (3) is connected to the The first operating device (10) of the first disc group (9) of (2) is fluidly connected and is fluidly connected with the first interface (11) of the second pump (4), and wherein the first port (11) of the second pump (4) The second interface (12) is in fluid connection with the second operating device (14) corresponding to the second disc group (13) surrounding the transmission (2), wherein the first pump (3) is at its first interface (5) It is fluidly connected to the pressure accumulator (15). The invention also relates to a continuously adjustable orbital transmission (2) having the fluid system (1).

Description

technical field [0001] The invention relates to a fluid system for an infinitely adjustable surround transmission, the fluid system is preferably configured as a hydraulic system, the fluid system has a first motor-driven pump and a second motor-driven pump, wherein the first pump The first port is connected to the (first) line section leading to the reservoir / reservoir / oil reservoir and the second port of the first pump is connected to the first operating device corresponding to the first disk pack surrounding the transmission fluidly connected to and fluidly connected to the first port of the second pump, and wherein the second port of the second pump is fluidly connected to the second operating device corresponding to the second disc pack surrounding the transmission. The fluid system thus has a (first) pump configured as a compression pump and a (second) pump configured as a regulating pump, wherein the first pump provides a minimum pressure during operation at the two ope...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H61/00F16H61/662F16H9/12
CPCF16H9/12F16H61/0031F16H61/662F16H2061/0034
Inventor 莱茵哈德·斯特尔塞巴斯蒂安·科普夫勒马库斯·西塞克马尔科·格雷特
Owner SCHAEFFLER TECH AG & CO KG