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Method for setting the operating point of a hydraulically actuated facility

A technology of operating points and facilities, which is applied in the direction of mechanical equipment, components with teeth, fluid couplings, etc., and can solve the problems that the operating points cannot be adjusted correctly

Active Publication Date: 2021-10-15
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The disadvantage here is that the angle of rotation adjustment is activated at different times, so that the operating point cannot be set correctly

Method used

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  • Method for setting the operating point of a hydraulically actuated facility
  • Method for setting the operating point of a hydraulically actuated facility
  • Method for setting the operating point of a hydraulically actuated facility

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] specific implementation plan

[0021] figure 1 Among them, the pump implementation device 1 is configured as a dual-motor dual-clutch transmission. In the dual clutch transmission there are two sub-circuits 2 , 3 which each comprise a hydraulic cylinder 4 , which actuates a clutch 5 . The respective hydraulic cylinder 4 of the clutch 5 is driven via a dual pressure valve 6 , which is coupled with a pump actuator 7 . The two partial branches 2 , 3 are connected via a valve 8 to a transmission actuator 9 .

[0022] Since the two subsections 2 , 3 are constructed identically, only one subsection needs to be described. In each sub-branch 2 , 3 a line 10 is connected to a pump actuator 7 driven by an electric motor 11 . The electric motor 11 is in turn driven by a control device 12 . Used to obtain the angular increment passed by the electric motor 11 The sensor 13 is arranged on the electric motor 11 . The switching signal of the sensor 13 is counted by a counter 14...

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PUM

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Abstract

The invention relates to a method for setting the operating point of a hydraulic actuating installation, wherein a source of volumetric flow is connected to a hydraulic cylinder (4) via a pressure line (10) filled with hydraulic fluid, wherein the volume of the hydraulic fluid is passed through the volume The flow source (15) is adjusted, and the operating point corresponds to the positioning of the execution facility (1) under the predetermined parameters of the device (5) to be operated by the execution facility (1), wherein, from the volume flow source motor (11) And / or the rotational position of the volume flow source ( 15 ) leads to the volume of hydraulic fluid required for setting the operating point. In a method in which a reliable start of the volume determination can be achieved, the volume determination is started at a predetermined pressure (p_K) by means of an angle of rotation adjustment, wherein the predetermined pressure (p_K) is lower than the system pressure (p_L).

Description

technical field [0001] The invention relates to a method for setting the operating point of a hydraulic actuating installation, wherein a source of volumetric flow is connected to a hydraulic cylinder via a pressure line filled with hydraulic fluid, wherein the volume of the hydraulic fluid is adjusted by the source of volumetric flow, and the operating The point corresponds to the position of the actuating facility under predetermined parameters of the device to be operated by the actuating facility, wherein the hydraulic fluid required for setting the operating point is derived from the rotational position of the volume flow source motor and / or the volume flow source volume. Background technique [0002] According to WO 2016 / 141935 A1 a method is known for setting and adjusting the operating point of a hydraulic actuator. Here, hydraulic actuation means are used to operate the clutch. The volumetric flow source, which is configured as a pump, is connected via a hydraulic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16D48/06F16D31/00F16D25/12
CPCF16D25/12F16D31/00F16D48/06F16D2500/1024F16D2500/3021F16D2500/3025F16D2500/50245F16D2500/70416B60W10/02F16D48/066F16D2500/1026F16D2500/10412F16D2500/3024F16D2500/3026F16D2500/7041F16H61/688
Inventor 马尔科·格雷特尔马库斯·贝尔安德烈·绍尔魏云帆
Owner SCHAEFFLER TECH AG & CO KG
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