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1. WO1987007926 - TUNED MANIFOLD

Publication Number WO/1987/007926
Publication Date 30.12.1987
International Application No. PCT/GB1987/000417
International Filing Date 15.06.1987
IPC
F02B 27/02 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
27Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
02the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
F02B 27/06 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
27Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
04in exhaust systems only, e.g. for sucking-off combustion gases
06the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
F02B 75/18 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
75Other engines, e.g. single-cylinder engines
16Engines characterised by number of cylinders, e.g. single-cylinder engines
18Multi-cylinder engines
CPC
F02B 2075/1816
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
75Other engines
16Engines characterised by number of cylinders, e.g. single-cylinder engines
18Multi-cylinder engines
1804Number of cylinders
1816four
F02B 27/02
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
27Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
02the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
F02B 27/021
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
27Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
02the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
0205characterised by the charging effect
021Resonance charging
F02B 27/0252
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
27Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
02the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
0226characterised by the means generating the charging effect
0247Plenum chambers; Resonance chambers or resonance pipes
0252Multiple plenum chambers or plenum chambers having inner separation walls, e.g. comprising valves for the same group of cylinders
F02B 27/0273
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
27Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
02the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
0226characterised by the means generating the charging effect
0268Valves
0273Flap valves
F02B 27/06
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
27Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
04in exhaust systems only, e.g. for sucking-off combustion gases
06the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
Applicants
  • FORD MOTOR COMPANY LIMITED [GB]/[GB] (AT, BE, CH, GB, LU, SE)
  • FORD WERKE A.G. [DE]/[DE] (DE)
  • FORD FRANCE S.A. [FR]/[FR] (FR)
  • FORD MOTOR COMPANY [US]/[US] (JP)
  • MORRIS, Guy, David [GB]/[GB] (UsOnly)
  • JORDON, Trevor, Andrew [GB]/[GB] (UsOnly)
  • DAVIDSON, William, Charles [GB]/[GB] (UsOnly)
  • BOWMAN, Timothy, James [GB]/[GB] (UsOnly)
Inventors
  • MORRIS, Guy, David
  • JORDON, Trevor, Andrew
  • DAVIDSON, William, Charles
  • BOWMAN, Timothy, James
Agents
  • MESSULAM, Alec, Moses
Priority Data
861506420.06.1986GB
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) TUNED MANIFOLD
(FR) COLLECTEUR ACCORDE
Abstract
(EN) A manifold (10) for a bank of four cylinders of an engine, comprises four primary tracts (20, 22) each leading to a respective cylinder and two secondary tracts (24, 26) each connected at a respective one of two branching points (16, 18) to a respective pair of primary tracts (20, 22) which lead to cylinders of which the combustion cycles are in antiphase. The two branching points (16, 18) are arranged adjacent one another to form a decoupling chamber within which there is disposed a valve (30) connecting the two branching points. The resonant frequency of the manifold can be changed by opening and closing the valve (30).
(FR) Un collecteur (10) pour un bloc de quatre cylindres d'un moteur, comprend quatre conduits principaux (20, 22) conduisant chacun à un cylindre respectif et deux conduits secondaires (24, 26) dont chacun est relié, au niveau d'un point d'embranchement respectif parmi deux points d'embranchement (16, 18), à une paire respective de conduits principaux (20, 22) conduisant à des cylindres dont les cycles de combustion sont en opposition de phase. Les deux points d'embranchement (16, 18) sont disposés l'un à proximité de l'autre pour former une chambre de découplage à l'intérieur de laquelle est disposée une soupape (30) reliant les deux points d'embranchement. La fréquence de résonance du collecteur peut être modifiée en ouvrant et en fermant la soupape (30).
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