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Adjusting devices, especially for motor vehicles

A technology of adjusting device and adjusting cylinder, applied in the direction of fluid pressure actuating device, engine lubrication, machine/engine, etc., can solve the problems of limited work capacity, no longer reliable work, complex structure, etc.

Active Publication Date: 2017-03-01
MAN TRUCK & BUS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] A disadvantage of the prior art is its complex construction and its limited capacity, e.g. the system described can only be "calibrated" to one oil (specific viscosity-temperature behavior) and no longer able to work reliably

Method used

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  • Adjusting devices, especially for motor vehicles
  • Adjusting devices, especially for motor vehicles
  • Adjusting devices, especially for motor vehicles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0062] according to figure 1 The circuit diagram of shows an adjusting device for a motor vehicle with an adjusting unit 1 for adjusting the delivery capacity of the pump 2 . The pump 2 is driven by an engine 3 of a motor vehicle (not shown). The engine 3 may be an internal combustion engine or an electric motor. The engine 3 is preferably used not only to drive the pump 2 but also to drive the vehicle itself.

[0063] The medium delivered by the pump 2 reaches the working location 5 via the working line 4 . The working place 5 can comprise, for example, the main oil gallery (to which the consumer 6 is coupled). A filter 7 and / or a heat exchanger 8 for the medium can also be arranged in the working line 4 . The adjusting unit 1 comprises an adjusting cylinder 9 , which is connected via a control line 10 to the working point 5 and the working pressure of the medium prevailing there when feeding the adjusting cylinder 9 as the feed force F acting on the adjusting cylinder 9...

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Abstract

The invention relates to an adjusting device, in particular for a motor vehicle, for an engine, in particular an engine of a motor vehicle, with at least one adjusting unit (1) for adjusting the delivery capacity of a pump (2), the pump (2) The medium is delivered to the working place (5) via the working pipeline (4), wherein the adjustment unit (1) includes an adjusting cylinder (9), which is connected to the working place (5) via the control pipeline (10) and the medium The operating pressure present there acts as a feed force FZ on the adjusting cylinder (9) when the adjusting cylinder (9) is fed, wherein the restoring force FR from the reset unit (11) acts on the adjusting cylinder (9) , which reacts against the feed force FZ, wherein the reset unit (11) comprises a pressure line (12) with a throttling effect through which the medium flows and the reset force FR is at least partly caused by the pressure of the pressure line (12) , wherein the pressure line (12) preferably connects the outflow side (13) of the pump (2) to the inflow side (14).

Description

technical field [0001] The invention relates to an adjusting device (Einstellvorrichtung), in particular for a motor vehicle, with at least one adjusting unit for adjusting the delivery capacity (Foerderleistung) of a pump which delivers a medium via a working line to a working place, wherein The adjusting unit comprises an adjusting cylinder, which is connected via a control line to the working location and which takes into account the operating pressure of the medium prevailing there as the feed force acting on the adjusting cylinder when the adjusting cylinder is fed. This working pressure is thus used for adjusting the feed of the cylinders or for acting on it. Background technique [0002] From the prior art, document DE 10 2004 039 713 A1 discloses an adjusting device, which applies the pressure of the pressure medium with at least one adjusting unit as a function of at least one parameter in order to influence the delivery capacity of the pump unit. For this purpose,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B9/04F01M1/16
CPCF01M1/16F04B49/06F04B2205/05F04B2205/14F04C2/344F04C14/26F04C2210/206F04C2210/44F16N13/20
Inventor M.施佩特
Owner MAN TRUCK & BUS AG
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