Water-cooled exhaust gas recirculating device
AssigneeMitsubishi Denki Kabushiki
InventorKenta Hatano
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Abstract
A water-cooled exhaust gas re-circulation device according to the invention has a hole-open/close mechanism allowing communication with outside air is arranged at a cooling water re-circulation passage cooling an exhaust gas re-circulation valve. A drain bolt is used as the hole-open/close mechanism. The hole-open/close mechanism is arranged at a stopper stopping up a hole formed during manufacturing the cooling water re-circulation passage.
Claims6
A water-cooled exhaust gas re-circulation device wherein a hole-open/close mechanism allowing communication with outside air is provided at a valve body of said water-cooled exhaust gas re-circulation device;
- and
- wherein a cooling water re-circulation passage cools an exhaust gas re-circulation valve within said valve body.
Dependencies are inferred from the claim text.