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Apparatus for the measurement of crankshaft parameters

A crankshaft and parameter technology, applied in the field of devices for measuring crankshaft parameters, can solve problems such as impractical measurement

Inactive Publication Date: 2009-01-21
PRUTECHNIK DIETER BUSCH AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The weak acting torque for operating the potentiometer, its frictional moment and disturbances caused by the connecting cables of the measuring transformers would make this angle measurement impractical

Method used

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  • Apparatus for the measurement of crankshaft parameters
  • Apparatus for the measurement of crankshaft parameters

Examples

Experimental program
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Effect test

Embodiment Construction

[0010] The crankshaft 10, which is placed in an engine (not shown) and preferably a marine diesel engine, is composed of a journal 12, connecting rod journals (crank pins) 20, 22, and crank arms (crank arms) 30, 32, 34, and 36 for It is measured that the crankshaft 10 is temporarily equipped with a plane mirror 130 on the crank arm 32 on the first crank. For this, for example, a magnetic holding mechanism (not shown) may be provided. On the opposite crank arm 30, the measuring system 100 is arranged using a suitable and preferably also a magnetic holding mechanism, just like a measuring system for shaft alignment, such as an OPTALIGN Plus measuring system or a ROTALIGN measuring system. Such a measurement system 100 already includes an electronic inclinometer 104 for correctly grasping the rotational position of the measurement system relative to a rotation axis, the rotation axis being substantially parallel to the light 110. The light 110 is preferably provided by the measuremen...

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PUM

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Abstract

To provide a comfortable in-cabin air environment even under difficult ventilation circumstance by feeding oxygen-enriched air to a driver.Since high concentration of oxygen created by an oxygen enrichment means 4 flows onto a head of the driver from a delivery port 3 installed on a ceiling part 2 through a conduit 5, the driver can aspirate the high concentration of oxygen without reducing the oxygen concentration and the comfortable operation state with high concentration can be maintained.

Description

Technical field [0001] The invention relates to a device for measuring crankshaft parameters and a corresponding method. In particular, the present invention relates to a measuring instrument that can be used to accurately measure the so-called crank arm deflection (also known as crank arm lateral deformation or crankshaft gear difference) on the crankshaft. Background technique [0002] As we all know, crankshafts of engines, compressors, etc. encounter certain stresses and sometimes high stresses during operation. Therefore, it is important to minimize the additional mechanical stress that has been applied to the crankshaft in a static state. [0003] In this regard, an important but difficult detection program has long existed for measuring crank arm deflection depending on the crankshaft angle within the maximum possible angle range of the crankshaft that is roughly ready for the engine, especially the marine diesel engine. This detection is best performed when the temperatur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/27
CPCG01B11/272G01B11/27G01B11/00
Inventor H-M比厄里格
Owner PRUTECHNIK DIETER BUSCH AG