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Valvet timing control apparatus

A technology of valve timing control and rotating parts, applied in the direction of valve device, engine control, internal combustion piston engine, etc., which can solve the problem that the internal combustion engine cannot be restarted properly

Inactive Publication Date: 2011-11-09
AISIN SEIKI KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, according to the known valve timing control apparatus using the Atkinson region, the internal combustion engine does not restart properly when the phase established by the relative rotational phase is closer to the retarded phase than the predetermined phase

Method used

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Examples

Experimental program
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Embodiment Construction

[0039] Below, refer to Figure 1 to Figure 8 , an embodiment of the valve timing control device provided at the intake valve of the vehicle engine E is described. The vehicle engine E serves as an internal combustion engine.

[0040] [overview]

[0041] Such as figure 1 As shown, the valve timing control device includes a housing 1 and an inner rotor 2 . The housing 1 rotates synchronously with respect to the crankshaft C of the engine E. In addition, the housing 1 serves as a drive-side rotary member. The inner rotor 2 is coaxially arranged with respect to the housing 1 and rotates synchronously with the camshaft 101 . Furthermore, the inner rotor 2 acts as a driven-side rotating member. Hydraulic chambers 4 (in this embodiment, three hydraulic chambers 4 ) are defined by the housing 1 and the inner rotor 2 . The valve timing control device further includes an oil control valve (OCV) 8 as a fluid control valve mechanism. The relative rotational phase is shifted in suc...

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PUM

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Abstract

A valve timing control apparatus includes a driving-side rotating member 1, a driven-side rotating member 2, a fluid pressure chamber 4 formed by the driving-side rotating member and the driven-side rotating member and divided into a retarded angle chamber 42 and an advanced angle chamber 41 by a parting portion 22, a fluid control valve mechanism 8 controlling a supply and a discharge of an operation fluid to and from the fluid pressure chamber, a lock mechanism 5 locking a relative rotational phase of the driven-side rotating member relative to the driving-side rotating member at a predetermined phase, a monitoring mechanism 6 monitoring a driving state of an internal combustion engine E, and a phase setting mechanism controlling the fluid control valve mechanism so as to establish the predetermined phase in a case where the monitoring mechanism detects a signal indicating a likelihood of a decrease of a number of rotations of the internal combustion engine.

Description

technical field [0001] The invention relates to a valve timing control device. Background technique [0002] In general, when blowout, fuel exhaustion, etc. occur due to failure of parts constituting an internal combustion engine such as fuel injectors, fuel pumps, ignition coils, spark plugs, etc., it will lead to deterioration of drivability, failure of control systems, etc., internal combustion engine The reduction of the number of revolutions (ie, the rotation speed) exceeds its control range, in other words, the reduction of the recoverability beyond the number of revolutions of the internal combustion engine (ie, engine stall). In addition, when the driver suddenly depresses the brake pedal deeply while the vehicle is driving on a low-friction road, the tires can slip, which can cause the tires to lock up. As a result, the number of revolutions of the internal combustion engine decreases rapidly, which further causes the engine to stall. [0003] The valve timing con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02D13/02F01L1/34
CPCY02T10/142Y02T10/18F01L2001/34463F01L2001/34466F01L2800/03F01L2001/34473F02D13/0219F01L1/3442Y02T10/12
Inventor 金子雅昭
Owner AISIN SEIKI KK