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transmission

A technology of transmission and brake, applied in the direction of vehicle transmission, transmission, transportation and packaging, etc., can solve the problems of limited layout design and so on

Active Publication Date: 2018-09-25
AISIN SEIKI KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In these cases, the components of the brake need to be arranged so that they do not impede the output of rotational drive force through the PTO gear in the transmission, so the layout design may be limited

Method used

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Embodiment Construction

[0027]Embodiments of the transmission will be explained below with reference to the schematic representations of the drawings. According to this embodiment, the transmission is applied to change the speed of the rotational driving force output from a power source such as an engine mounted on a vehicle. The vehicle is configured to move forward or backward at a predetermined speed stage established by the transmission by transmitting rotational drive force to the drive wheels of the vehicle via a differential (e.g., where the speed of the rotational drive force is varied by the transmission) sports.

[0028] will refer to figure 1 The overall configuration of the automatic transmission 1 is explained. The automatic transmission 1 includes a torque converter 10 , an oil pump 20 and a transmission 30 . This automatic transmission 1 inputs rotational driving force of a vehicle engine to an input shaft N via a torque converter 10 . This automatic transmission 1 changes the spee...

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Abstract

A transmission (30, 130, 230, 330) which includes a housing (H), a planetary gear mechanism (P1), an input shaft (N), an output shaft (T), a brake (B1) including a friction member (81), a piston member (82) pressing the friction member (81), and an actuator portion (83) applying a pressing force to the piston member (82), the brake (B1) braking a rotation of one of a sun gear (P1 s), a ring gear (P1r), and a carrier (P1c) of the planetary gear mechanism (P1), an external output gear (91) positioned between the friction member (81) and the actuator portion (83) in a direction of a rotation axis (L), the external output gear (91) provided at a member integrally rotating with the input shaft (N), and the piston member (82) including an opening portion (82c) formed over a predetermined angular range about the rotation axis (L) and within a range in the direction of the rotation axis (L) in which the external output gear (91) is disposed.

Description

technical field [0001] The present disclosure generally relates to a transmission. Background technique [0002] A transmission is applied as a device for changing the speed of rotational driving force output by a power source such as an engine mounted to a vehicle. A known vehicle transmission disclosed in JP2004-204888A (hereinafter referred to as Patent Document 1) includes a plurality of planetary gear mechanisms and a plurality of engagement elements. According to the arrangement disclosed in Patent Document 1, a speed stage having six forward speeds and one reverse speed can be established by the action of clutches and brakes serving as engaging elements. [0003] Some transmissions include a power take off (PTO) mechanism that outputs rotational driving force input to the transmission as auxiliary power to an external or external device. For example, according to Patent Document 1, a power take-off (PTO) mechanism that outputs or extracts rotational driving force fr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H3/62
CPCF16H57/10B60K17/28F16H3/66F16H3/666F16H57/0479F16H2200/0069F16H2200/201F16H2200/2046
Inventor 中村荣希高木清春间濑笃弘
Owner AISIN SEIKI KK