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Adjustment device, in particular for motor vehicles

An adjustment device, motor vehicle technology, applied in the direction of fluid pressure actuation device, machine/engine, engine lubrication, etc., which can solve the problems of no longer reliable work, complex structure, limited working capacity, etc.

Active Publication Date: 2013-06-05
MAN NUTZFAHRZEUGE 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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  • Adjustment device, in particular for motor vehicles
  • Adjustment device, in particular for motor vehicles
  • Adjustment device, in particular 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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PUM

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Abstract

The invention relates to an adjustment device, in particular for motor vehicles. The adjustment device is used for engines, in particular for motor vehicle engines. The adjusting device has at least one adjustment unit (1) for controlling output of a pump (2) for conveying medium through a working line (4) to a work place (5). The adjustment unit has an actuating cylinder (9) that is connected to work place through a control line (10), for delivering current working force of medium as a pushing force for delivery of cylinder. The restoring force acting against the pushing force is applied on the actuating cylinder by restoring unit, such that pressure line (12a,12b) is connected with discharge side and an upstream side of pump. An independent claim is included for a method for controlling delivery rate of pump of engine.

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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IPC IPC(8): F15B9/04F01M1/16
CPCF04C2210/206F04C2210/44F01M1/16F04C2/344F04C14/26F04B2205/05F04B49/06F04C14/18F04B2205/14F16N13/20
Inventor M.施佩特
Owner MAN NUTZFAHRZEUGE AG
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