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Removing of blow-by gas out of crankcase without auxiliary drive

A crankcase, blow-by gas technology, applied in crankcase ventilation, engine components, machines/engines, etc., can solve the problem of high total cost of internal combustion engines

Active Publication Date: 2015-01-21
CATERPILLAR ENERGY SOLUTIONS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a separate auxiliary drive is required to drive the fan
A separate auxiliary drive and the necessary power supply for the auxiliary drive can result in higher overall costs for the internal combustion engine

Method used

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  • Removing of blow-by gas out of crankcase without auxiliary drive

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Embodiment Construction

[0011] Such as figure 1 As shown, internal combustion engine 10 includes a crankshaft 15 . The crankshaft 15 rotates about a longitudinal axis 20 . Here, the gear 23 is attached to the crankshaft 15 . A gear 23 is fitted at the end of the crankshaft 15 by a plurality of bolts 24 . Gear 23 is used to drive the oil pump. Furthermore, the crankshaft 15 and all attached engine components can be enclosed by the crankcase 1 . As is well known, the crankcase 1 is the housing for the crankshaft 15 and forms a cavity below the cylinders in the internal combustion engine 10 .

[0012] exist figure 1 In the embodiment shown in , the torsional vibration damper 16 is attached to the crankshaft 15 in a (relatively) non-rotatable manner. Also, if the crankshaft 15 rotates during operation of the internal combustion engine, the torsional vibration damper 16 also rotates. Here, the torsional vibration damper 16 is mounted on a shoulder 21 of the crankshaft 15 by means of a plurality of ...

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PUM

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Abstract

The present disclosure refers to a blow-by gas removing device (5) for an internal combustion engine (10) having a crankcase (1). The blow-by removing device (5) may comprise an engine component (15; 16) rotatably driven about a longitudinal axis (20). A fan wheel (25) may be fixed to the engine component (15; 16) such that the fan wheel (25) rotates together with the engine component (15; 16). A housing (30) may cover at least partially the fan wheel (25). The housing (30) may be provided with an outlet (35) configured to be connected to an oil separating device (40). The fan wheel (25) and the housing (30) may be configured in a manner that blow-by gas (45) saturated with oil is being sucked off from the crankcase (1) and discharged through the outlet (35). Further, the present disclosure refers to a method for removing blow-by gas of an internal combustion engine without an auxiliary drive for a fan.

Description

technical field [0001] The present invention generally relates to a blow-by gas (blowby) removal device for an internal combustion engine. In particular, the present invention relates to a blow-by gas removal device for removing blow-by gas containing oil or oil mist present in a crankcase of an internal combustion engine and for discharging it to an oil separation device. [0002] Furthermore, the invention generally relates to a method for removing oil-containing blow-by gases of an internal combustion engine. In particular, the disclosed method includes utilizing the rotational power of a rotating engine component of an internal combustion engine to drive a fan wheel configured to remove blow-by gases, particularly to suck blow-by gases out of the crankcase. Background technique [0003] Internal combustion engines, particularly gas (fuel) engines, can have problems with unburned or partially burned fuel gases (known as hydrocarbons) escaping through the engine piston ri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01M13/02
CPCF01M2013/026F01M2013/0422F01M13/04F01M13/021
Inventor O·贝格尔
Owner CATERPILLAR ENERGY SOLUTIONS