EP 2232031 A2 20100929 - EXHAUST VALVE ASSEMBLY
Title (en)
EXHAUST VALVE ASSEMBLY
Title (de)
AUSLASSVENTILANORDNUNG
Title (fr)
ENSEMBLE SOUPAPE D'ÉCHAPPEMENT
Publication
Application
Priority
- US 2008083866 W 20081118
- US 98950807 P 20071121
- US 95003407 A 20071204
- US 95393007 A 20071211
- US 96406207 A 20071226
- US 96993608 A 20080107
- US 1365208 A 20080114
Abstract (en)
[origin: WO2009067430A2] A vehicle exhaust system includes various exhaust components. A passive valve assembly is associated with at least one of the exhaust components. The passive valve is spring biased toward a closed position and is movable toward an open position in response to an increase in exhaust pressure that exceeds a biasing force of the spring. One aspect of the invention relates to a location of the passive valve in relation to other exhaust system components. Another aspect of the invention relates to the passive valve in combination with a packed resonator. Another aspect of the invention relates to the passive valve including a stop pad that facilitates noise reduction while also improving valve performance and durability. Another aspect of the invention relates to using the passive valve in a non-bypass configuration with a high percentage of coverage when in a closed position. Another aspect of the invention relates to providing an offset passive valve configuration in the vehicle exhaust system.
IPC 1-7
IPC 8 full level
F02D 9/04 (2006.01); F01N 13/08 (2010.01); F02D 9/10 (2006.01)
CPC (source: EP)
F01N 1/166 (2013.01); F01N 13/02 (2013.01); F01N 13/08 (2013.01); F02D 9/04 (2013.01); F02D 9/103 (2013.01); F02D 9/104 (2013.01); F02D 9/1065 (2013.01); F01N 2240/36 (2013.01)
Citation (search report)
See references of WO 2009067430A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
WO 2009067430 A2 20090528; WO 2009067430 A3 20090723; CN 103790678 A 20140514; CN 103790678 B 20160831; EP 2232031 A2 20100929; KR 20100105593 A 20100929
DOCDB simple family (application)
US 2008083866 W 20081118; CN 201410045177 A 20081118; EP 08851763 A 20081118; KR 20107012712 A 20081118