EP 1022448 A3 20010704 - Two-cycle internal combustion engine
Title (en)
Two-cycle internal combustion engine
Title (de)
Zweitakt brennkraftmaschine
Title (fr)
Moteur à combustion à deux temps
Publication
Application
Priority
JP 1569399 A 19990125
Abstract (en)
[origin: EP1022448A2] The invention provides a two-cycle internal combustion engine which can realize scavenging by air, prevent blow-by of a fuel mixture in a scavenging stroke, and prevent combustion of a lubricating oil in a combustion chamber to thereby purify an exhaust gas. To achieve this, a two-cycle internal combustion engine 1 includes a compressor section (20) for performing a compression stroke in concert with a scavenging stroke by a piston (7) reciprocating in a cylinder (8). A fuel mixture from a carburetor (17) is pressurized to be supplied to a combustion chamber (12) by the compressor section (20). On the other hand, a scavenging air is also pressurized to be supplied to the cylinder (8) from its side wall by the compressor section (20). An oil pump (60) driven by a crankshaft (3) is provided to pump up a lubricating oil stored in a bottom portion of a crankcase, thereby lubricating the crankshaft with the lubricating oil supplied from the oil pump. <IMAGE>
IPC 1-7
IPC 8 full level
F01M 3/00 (2006.01); F02B 33/02 (2006.01); F02F 1/24 (2006.01); F02F 1/38 (2006.01); F02B 1/04 (2006.01); F02B 75/02 (2006.01)
CPC (source: EP)
F02F 1/24 (2013.01); F02F 1/38 (2013.01); F02B 1/04 (2013.01); F02B 2075/025 (2013.01); F02F 2001/245 (2013.01)
Citation (search report)
- [YA] GB 105649 A 19170426 - VOSS EDMUND
- [Y] EP 0785347 A1 19970723 - SKRIPOV JURY NIKOLAEVICH [RU]
- [A] US 5299537 A 19940405 - THOMPSON RANSOM S [US]
- [A] US 3174432 A 19650323 - KARL EICKMANN
- [A] PATENT ABSTRACTS OF JAPAN vol. 010, no. 270 (M - 517) 13 September 1986 (1986-09-13)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 1022448 A2 20000726; EP 1022448 A3 20010704; EP 1022448 B1 20041020; AU 1355500 A 20000727; AU 752366 B2 20020919; DE 60014978 D1 20041125; DE 60014978 T2 20050310; JP 2000213357 A 20000802
DOCDB simple family (application)
EP 00101454 A 20000125; AU 1355500 A 20000125; DE 60014978 T 20000125; JP 1569399 A 19990125