Exhaust gas purifying method, exhaust gas purifying...

Details Exhaust gas purifying method, exhaust gas purifying... Exhaust gas purifying method, exhaust gas purifying...

2005-06-07

2005-06-07

Nguyen, Tu M. (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

Having exhaust gas collection and storage, or use as a...

C060S274000, C060S278000, C060S287000, C060S300000

Reexamination Certificate

active

06901743

ABSTRACT:
An exhaust gas collecting apparatus, of an internal combustion engine including a collection vessel that can hold exhaust gas, an exhaust gas taking-out passage through which exhaust gas is introduced from an exhaust passage to the collection vessel, an exhaust gas introduction passage through which the exhaust gas is introduced from the collection vessel to the exhaust passage at a position upstream from the catalytic converter, a first valve that is switchable between a position where the introduction of the exhaust gas from the exhaust passage to the exhaust gas taking-out passage is permitted and a position where the introduction of the exhaust gas is prevented, and a second valve that is switchable between a position where the introduction of the exhaust gas through the exhaust gas introduction passage is permitted and a position where the introduction of the exhaust gas is prevented.

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