FR2838478B1 - Moteur thermique 2 temps a pollution reduite et 4 temps a balayage et suralimentation volumetrique - Google Patents
Moteur thermique 2 temps a pollution reduite et 4 temps a balayage et suralimentation volumetriqueInfo
- Publication number
- FR2838478B1 FR2838478B1 FR0204698A FR0204698A FR2838478B1 FR 2838478 B1 FR2838478 B1 FR 2838478B1 FR 0204698 A FR0204698 A FR 0204698A FR 0204698 A FR0204698 A FR 0204698A FR 2838478 B1 FR2838478 B1 FR 2838478B1
- Authority
- FR
- France
- Prior art keywords
- stroke
- scan
- thermal engine
- reduced pollution
- volumetric supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
- F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
- F02B33/06—Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps
- F02B33/10—Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps with the pumping cylinder situated between working cylinder and crankcase, or with the pumping cylinder surrounding working cylinder
- F02B33/14—Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps with the pumping cylinder situated between working cylinder and crankcase, or with the pumping cylinder surrounding working cylinder working and pumping pistons forming stepped piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
- F02B25/14—Engines characterised by using fresh charge for scavenging cylinders using reverse-flow scavenging, e.g. with both outlet and inlet ports arranged near bottom of piston stroke
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
- F02B25/14—Engines characterised by using fresh charge for scavenging cylinders using reverse-flow scavenging, e.g. with both outlet and inlet ports arranged near bottom of piston stroke
- F02B25/16—Engines characterised by using fresh charge for scavenging cylinders using reverse-flow scavenging, e.g. with both outlet and inlet ports arranged near bottom of piston stroke the charge flowing upward essentially along cylinder wall opposite the inlet ports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
- F02B25/20—Means for reducing the mixing of charge and combustion residues or for preventing escape of fresh charge through outlet ports not provided for in, or of interest apart from, subgroups F02B25/02 - F02B25/18
- F02B25/22—Means for reducing the mixing of charge and combustion residues or for preventing escape of fresh charge through outlet ports not provided for in, or of interest apart from, subgroups F02B25/02 - F02B25/18 by forming air cushion between charge and combustion residues
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
- F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
- F02B33/26—Four-stroke engines characterised by having crankcase pumps
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0204698A FR2838478B1 (fr) | 2002-04-15 | 2002-04-15 | Moteur thermique 2 temps a pollution reduite et 4 temps a balayage et suralimentation volumetrique |
EP20030352008 EP1378641A2 (fr) | 2002-04-15 | 2003-04-14 | Moteur thermique 2 temps à pollution réduite et 4 temps à balayage et suralimentation volumétrique |
US10/855,627 US20040216705A1 (en) | 2002-04-15 | 2004-05-28 | Thermal 2 stroke engine with reduced pollution and 4 stroke engine with scavenging and volumetric supercharging |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0204698A FR2838478B1 (fr) | 2002-04-15 | 2002-04-15 | Moteur thermique 2 temps a pollution reduite et 4 temps a balayage et suralimentation volumetrique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2838478A1 FR2838478A1 (fr) | 2003-10-17 |
FR2838478B1 true FR2838478B1 (fr) | 2004-05-28 |
Family
ID=28459849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0204698A Expired - Fee Related FR2838478B1 (fr) | 2002-04-15 | 2002-04-15 | Moteur thermique 2 temps a pollution reduite et 4 temps a balayage et suralimentation volumetrique |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1378641A2 (fr) |
FR (1) | FR2838478B1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2010241402B1 (en) * | 2010-11-12 | 2011-11-24 | Cits Engineering Pty Ltd | Two-Stroke Engine Porting Arrangement |
CN111237049A (zh) * | 2020-04-14 | 2020-06-05 | 常君辰 | 一种负压发动机 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2508391A (en) * | 1946-04-16 | 1950-05-23 | Charles M Huntington | Two-cycle internal-combustion engine |
US3182645A (en) * | 1963-07-24 | 1965-05-11 | Ora E Wilson | Internal combustion engine |
DE2743780A1 (de) * | 1977-09-29 | 1979-04-12 | Fichtel & Sachs Ag | Einzylinder-hubkolben-brennkraftmaschine |
DE2901815A1 (de) * | 1979-01-18 | 1980-07-31 | Fichtel & Sachs Ag | Viertakt-brennkraftmaschine mit stufenkolben |
JPS588231A (ja) * | 1981-07-07 | 1983-01-18 | Kawasaki Heavy Ind Ltd | 2サイクルエンジン |
DE4007466A1 (de) * | 1990-03-09 | 1991-02-14 | Franz Josef Knott | Spuel- und schmierverfahren fuer hubkolbenmotoren |
US6145488A (en) * | 1999-07-15 | 2000-11-14 | Mph Motors, Inc. | Reduced volume scavenging system for two cycle engines |
-
2002
- 2002-04-15 FR FR0204698A patent/FR2838478B1/fr not_active Expired - Fee Related
-
2003
- 2003-04-14 EP EP20030352008 patent/EP1378641A2/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP1378641A2 (fr) | 2004-01-07 |
FR2838478A1 (fr) | 2003-10-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20061230 |