Title:
DEVICE AND METHOD CONFIGURED TO CONTROL VALVE OPERATION IN PISTON ENGINE
Document Type and Number:
WIPO Patent Application WO/2012/129131
Kind Code:
A3
Abstract:
A method of operating an internal combustion engine (100) includes moving an exhaust valve (140) to a first open position to enable an exhaust product to flow through an exhaust port (152) of the internal combustion engine (100). The method also includes maintaining the exhaust valve (140) at the first open position for a predetermined time period. The method also includes moving an intake valve (136) to a second open position during the predetermined time period to enable an intake product to flow through an intake port (144) of the internal combustion engine (100). Additionally, the method includes preventing at least a portion of the intake product from flowing through the exhaust port during the predetermined time period with a first blocking member (180) and a second blocking member (176).
Inventors:
COOK DAVID (US)
ANDRE DAVE (DE)
PARK SUNGBAE (NL)
KOJIC ALEKSANDER (US)
SONG HANHO (KR)
CHATURVEDI NALIN (US)
ANDRE DAVE (DE)
PARK SUNGBAE (NL)
KOJIC ALEKSANDER (US)
SONG HANHO (KR)
CHATURVEDI NALIN (US)
Application Number:
PCT/US2012/029574
Publication Date:
February 28, 2013
Filing Date:
March 18, 2012
Export Citation:
Assignee:
BOSCH GMBH ROBERT (DE)
COOK DAVID (US)
ANDRE DAVE (DE)
PARK SUNGBAE (NL)
KOJIC ALEKSANDER (US)
SONG HANHO (KR)
CHATURVEDI NALIN (US)
COOK DAVID (US)
ANDRE DAVE (DE)
PARK SUNGBAE (NL)
KOJIC ALEKSANDER (US)
SONG HANHO (KR)
CHATURVEDI NALIN (US)
International Classes:
F02B25/14; F01L3/06; F02B69/06; F02D13/02
Foreign References:
| GB534161A | 1941-02-28 | |||
| DE4012500A1 | 1990-10-31 | |||
| DE3926631A1 | 1990-02-15 | |||
| DE10359087B3 | 2005-05-19 | |||
| US5031582A | 1991-07-16 | |||
| US4424790A | 1984-01-10 |
Attorney, Agent or Firm:
MAGINOT, Paul, J. (Moore & Beck LLPChase Tower,111 Monument Circle, Suite 325, Indianapolis IN, US)
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