Intake apparatus for V-type 8-cyl internal combustion engine

Details Intake apparatus for V-type 8-cyl internal combustion engine Intake apparatus for V-type 8-cyl internal combustion engine

1990-07-12

1991-04-30

Okonsky, David A.

Internal-combustion engines

Multiple cylinder

123 55VE, F02B 7518

Patent

active

050108549

ABSTRACT:
To facilitate the die casting, equalize the intake pipe lengths, and reduce thermal distortion of a rather complicated intake apparatus for a V-shape 8-cylinder engine which can prevent intake interference between intake strokes of two successively operating cylinders, the intake apparatus is divided into right and left collectors (4, 5) formed with two upper bent blanch pipes (P3U, P5U, P4U, P6U), respectively; front and rear X-shaped pipe members (7, 8) formed with two crossing intake pipes (P1, P2, P7, P8), respectively; and a middle lower manifold (6) formed with four lower bent branch pipes (P3L, P5L, P4L, P6L) connected to the four upper bent blanch pipes, respectively. The four upper bent blanch pipes (P3U, P5U, P4U, P6U) extending from the right and left collectors (4, 5) are connected to the middle lower manifold (6) via a middle flange (23); four upper ends of the two X-shaped pipes (P1, P2, P7, P8) are connected to the right and left collectors via four rubber hoses (42, 43, 50, 51); the four lower bent blanch pipes (P3L, P5L, P4L, P6L) and four lower ends of the two X-shaped pipes (P1, P2, P7, P8) are connected to the cylinder heads via flanges (39, 40, 48, 49), respectively.

REFERENCES:
patent: 2012902 (1935-08-01), Barkeij
patent: 2916027 (1959-12-01), Chayne et al.
patent: 3171393 (1965-03-01), Platner et al.
patent: 3742923 (1973-07-01), Oblander et al.
patent: 4641610 (1987-02-01), Rutschmann
patent: 4932367 (1990-06-01), Newman et al.
patent: 4932368 (1990-06-01), Abe et al.

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