Exhaust gas reflux apparatus
Patent
·
OSTI ID:5400887
An exhaust gas reflux apparatus is described comprising: EGR regulating valve means for controlling a reflux amount of an exhaust gas which is refluxed into an intake system of an internal combustion engine; having at least two operating states; sensing means for sensing the operating state of the engine; first control means responsive to the sensing means for detecting the start of a predetermined one of the operating states of the engine, in which the temperature of the exhaust gas becomes high; timer means responsive to detection by the first control means of the start of the predetermined operating state for measuring a time delay, and time delay beginning immediately after and only in response to the detection of the start of the predetermined operating state and expiring a predetermined time interval thereafter; and second control means responsive to the timer means for controlling the EGR regulating valve means to stop the reflux of the exhaust gas immediately after expiration of the predetermined time interval.
- Assignee:
- Suzuki Jidosha Kogyo Kabushiki Kaisha, Shizuoka
- Patent Number(s):
- US 4719894
- OSTI ID:
- 5400887
- Country of Publication:
- United States
- Language:
- English
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