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1. (WO2007003064) TWO-STROKE ENGINE, ESPECIALLY FOR LANDCRAFT, WATERCRAFT, OR AIRCRAFT MODELS
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2007/003064 International Application No.: PCT/CH2006/000336
Publication Date: 11.01.2007 International Filing Date: 22.06.2006
IPC:
F02B 75/34 (2006.01) ,F02F 1/16 (2006.01) ,F02F 1/18 (2006.01) ,F02F 1/22 (2006.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
B
INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
75
Other engines, e.g. single-cylinder engines
34
Ultra-small engines, e.g. for driving models
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
F
CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
1
Cylinders; Cylinder heads
02
having cooling means
10
for liquid cooling
16
Cylinder liners of wet type
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
F
CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
1
Cylinders; Cylinder heads
18
Other cylinders
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
F
CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
1
Cylinders; Cylinder heads
18
Other cylinders
22
characterised by having ports in cylinder wall for scavenging or charging
Applicants:
TEAM ORION EUROPE SA [CH/CH]; 31min du Pré-Fleuri CH-1228 Plan-les-Ouates, CH (AllExceptUS)
RAMELLA, Fabrice [CH/CH]; CH (UsOnly)
Inventors:
RAMELLA, Fabrice; CH
Agent:
OTTOW, Jens, M.; Isler & Pedrazzini AG Gotthardstrasse 53 Postfach 6940 CH-8023 Zürich, CH
Priority Data:
1128/0506.07.2005CH
Title (DE) ZWEITAKTMOTOR, INSBESONDERE FÜR MODELLE VON LAND-, WASSER ODER LUFTFAHRZEUGEN
(EN) TWO-STROKE ENGINE, ESPECIALLY FOR LANDCRAFT, WATERCRAFT, OR AIRCRAFT MODELS
(FR) MOTEUR A DEUX TEMPS, NOTAMMENT POUR DES MODELES REDUITS DE VEHICULES TERRESTRES, MARINS OU AERIENS
Abstract:
(DE) Ein Zweitaktmotor, insbesondere für Modelle von Land-, Wasser- oder Luftfahrzeugen, umfasst einen in einer Laufbuchse (10) auf- und abwärts bewegbaren Kolben, der nach oben hin einen Verbrennungsraum begrenzt und nach unten hin über einen Pleuel mit einer Kurbelwelle verbunden ist, die in einem unterhalb der Laufbuchse (10) angeordneten Kurbelgehäuse drehbar gelagert ist. Bei einem solchen Zweitaktmotor wird eine verminderte Reibung des Kolbens in der Laufbuchse dadurch erreicht, das die Laufbuchse (10) am unteren, dem Kurbelgehäuse benachbarten Ende Mittel (15, 16) aufweist, welche die thermisch bedingte radiale Ausdehnung der Laufbuchse (10) verstärken.
(EN) Disclosed is a two-stroke engine, especially for landcraft, watercraft, or aircraft models, comprising a piston which can be moved up and down within a bush (10), defines a combustion chamber at the top, and is connected to a crankshaft via a con-rod at the bottom, said crankshaft being rotatably mounted in a crank housing located below the bush (10). In order to reduce friction of the piston in the bush of such a two-stroke engine, the bottom end of the bush (10), which adjoins the crank housing is provided with means (15, 16) that increase the temperature-related radial expansion of the bush (10).
(FR) L'invention concerne un moteur à deux temps, notamment pour des modèles réduits de véhicules terrestres, marins ou aériens, ce moteur comportant un piston effectuant des mouvements alternatifs dans une chemise (10), ce piston délimitant une chambre de combustion vers le haut et étant relié à un vilebrequin par l'intermédiaire d'une bielle vers le bas, lequel vilebrequin est logé pivotant dans un carter monté sous la chemise (10). L'invention vise à créer un moteur à deux temps où le frottement du piston dans la chemise est diminué. A cet effet, la chemise (10) comprend, à son extrémité inférieure proche du carter de vilebrequin, des éléments (15, 16) qui renforcent la dilatation radiale de la chemise (10) due à la température.
front page image
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: German (DE)
Filing Language: German (DE)
Also published as:
EP1899592JP2009500551US20090020107