Exhaust-manifold heat insulating board

Details Exhaust-manifold heat insulating board Exhaust-manifold heat insulating board

1989-04-28

1990-04-10

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Common receiver having inlets from plural cylinder

F01N 710

Patent

active

049149121

ABSTRACT:
An exhaust-manifold heat insulating board is provided which has an insulating layer sandwiched between an inner layer and an outer layer. The inner and outer layers are laminated together and have an inner area and a peripheral area. The inner area has a depression with end portions formed therein and the peripheral area is formed into connecting tab portions which are positioned adjacent the end portions. Each of the connecting tab portions has a length greater than the width of the adjacent end portion of the depression.

REFERENCES:
patent: 4612767 (1986-09-01), Engquist
patent: 4836160 (1989-06-01), Valev

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