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1. WO2009115768 - ROTARY PISTON INTERNAL COMBUSTION ENGINE POWER UNIT

Publication Number WO/2009/115768
Publication Date 24.09.2009
International Application No. PCT/GB2009/000610
International Filing Date 06.03.2009
IPC
F02B 41/02 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
41Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power
02Engines with prolonged expansion
F02B 53/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
53Internal-combustion aspects of rotary-piston or oscillating-piston engines
CPC
F02B 2053/005
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
53Internal-combustion aspects of rotary-piston or oscillating-piston engines
005Wankel engines
F02B 41/02
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
41Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power
02Engines with prolonged expansion
F02B 53/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
53Internal-combustion aspects of rotary-piston or oscillating-piston engines
Y02T 10/17
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
10Road transport of goods or passengers
10Internal combustion engine [ICE] based vehicles
17Non-reciprocating piston engines, e.g. rotating motors
Applicants
  • GARSIDE, David, W. [GB]/[GB]
Inventors
  • GARSIDE, David, W.
Agents
  • FORRESTER KETLEY & CO
Priority Data
0805089.019.03.2008GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ROTARY PISTON INTERNAL COMBUSTION ENGINE POWER UNIT
(FR) ENSEMBLE MOTEUR À COMBUSTION INTERNE ET PISTON ROTATIF
Abstract
(EN)
A power unit (14) which has a spark-ignition engine unit (1 ) of the Wankel type including a three flanked rotary piston (R) mounted on an eccentric shaft (63) rotating eccentrically within a cavity within a two lobed epitroochoidal inner peripheral surface (14), the cavity including an inlet port (7) through which air at ambient pressure is induced into the working chambers, and an outlet port (45) through which exhaust gasses are exhausted from the working chambers, and the power unit also including a rotary expander unit (4) which has a two flanked rotor (24) mounted on an eccentric shaft (12) rotating eccentrically within a single lobed epitrochoidal chamber (25), both shafts (62, 63) being coupled to rotate together, and the exhaust port (45) of epitrochoidal cavity of the engine unit (1 ) being connected to an inlet port (26) of the expander unit (4) so that the exhaust gasses from the engine unit (1 ) are further expanded in the expander unit (4).
(FR)
L'invention porte sur ensemble moteur (14) qui comporte une unité moteur à allumage commandé (1) du type Wankel comprenant un piston rotatif à trois flancs (R) monté sur un arbre excentrique (63) tournant de manière excentrique dans une cavité pratiquée à l'intérieur d'une surface périphérique interne épitrochoïdale à deux lobes (14), la cavité comprenant un orifice d'entrée (7) par lequel de l'air à pression ambiante est introduit dans les chambres de travail et un orifice de sortie (45) à par lequel des gaz d'échappement sont amenés à s'échapper des chambres de travail. L'unité moteur comporte également une unité détendeur rotatif (4) qui comporte un rotor à deux flancs (24) monté sur un arbre excentrique (12) tournant de manière excentrique dans une chambre épitrochoïdale à lobe unique (25) ; les deux arbres (62, 63) sont couplés pour tourner ensemble et l'orifice d'échappement (45) de la cavité épitrochoïdale de l'unité de moteur (1) est relié à un orifice d'entrée (26) de l'unité de détendeur (4) de telle sorte que les gaz d'échappement provenant de l'unité de moteur (1) sont ultérieurement détendus dans l'unité détendeur (4).
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