SE9402329L - Two stroke, air cooled, long coil petrol engine for powering a portable implement - Google Patents
Two stroke, air cooled, long coil petrol engine for powering a portable implementInfo
- Publication number
- SE9402329L SE9402329L SE9402329A SE9402329A SE9402329L SE 9402329 L SE9402329 L SE 9402329L SE 9402329 A SE9402329 A SE 9402329A SE 9402329 A SE9402329 A SE 9402329A SE 9402329 L SE9402329 L SE 9402329L
- Authority
- SE
- Sweden
- Prior art keywords
- piston
- powering
- stroke
- cylinders
- air cooled
- Prior art date
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
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/02—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for hand-held tools
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F01B3/0002—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
-
- 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
- F02B25/02—Engines characterised by using fresh charge for scavenging cylinders using unidirectional scavenging
- F02B25/12—Engines with U-shaped cylinders, having ports in each arm
-
- 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
- F02B75/00—Other engines
- F02B75/06—Engines with means for equalising torque
- F02B75/065—Engines with means for equalising torque with double connecting rods or crankshafts
-
- 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
- F02B75/00—Other engines
- F02B75/26—Engines with cylinder axes coaxial with, or parallel or inclined to, main-shaft axis; Engines with cylinder axes arranged substantially tangentially to a circle centred on main-shaft axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
- F02F1/108—Siamese-type cylinders, i.e. cylinders cast together
-
- 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
- F02B1/00—Engines characterised by fuel-air mixture compression
- F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
- F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
-
- 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
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
-
- 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
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The engine has a first piston linearly movable forwards and backwards in a first cylinder provided with an outlet port, a second piston linearly movable forwards and backwards in a second cylinder provided with one or more scavenging ports, a common combustion chamber which joins the first and second cylinders to form a flow of fresh gas and exhaust gases in the cylinders in a direction from the scavenging ports towards the outlet ports. The cylinders and the combustion chamber form a U-section. - A first, one-sidedly located crankshaft (402) is provided with a counterweight (406) and a crank pin (408) connected with the first piston and a second, one-sidedly located crankshaft (502) is provided with a counterweight (506) and a crank pin (508) connected with the second piston. The crankshafts extend parallel but in opposite directions and are reciprocally drivably connected to rotate in opposite directions.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9402329A SE501997C2 (en) | 1994-07-01 | 1994-07-01 | Two-stroke, air-cooled, longitudinal scavenged petrol engine for driving portable tool, such as grass trimmer - has scavenging cylinder and outlet cylinder connected by common combustion chamber, each cylinder having piston |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9402329A SE501997C2 (en) | 1994-07-01 | 1994-07-01 | Two-stroke, air-cooled, longitudinal scavenged petrol engine for driving portable tool, such as grass trimmer - has scavenging cylinder and outlet cylinder connected by common combustion chamber, each cylinder having piston |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9402329D0 SE9402329D0 (en) | 1994-07-01 |
SE9402329L true SE9402329L (en) | 1995-07-10 |
SE501997C2 SE501997C2 (en) | 1995-07-10 |
Family
ID=20394596
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9402329A SE501997C2 (en) | 1994-07-01 | 1994-07-01 | Two-stroke, air-cooled, longitudinal scavenged petrol engine for driving portable tool, such as grass trimmer - has scavenging cylinder and outlet cylinder connected by common combustion chamber, each cylinder having piston |
Country Status (1)
Country | Link |
---|---|
SE (1) | SE501997C2 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11635020B2 (en) | 2020-07-02 | 2023-04-25 | Fna Group, Inc. | Multiple cylinder engine |
US11603793B2 (en) | 2020-07-02 | 2023-03-14 | Fna Group, Inc. | Multiple cylinder engine |
US11674434B2 (en) | 2020-07-02 | 2023-06-13 | Impact Consulting And Engineering Llc | Multiple cylinder engine |
US11506119B2 (en) | 2020-07-02 | 2022-11-22 | Impact Consulting And Engineering Llc | Multiple cylinder engine |
-
1994
- 1994-07-01 SE SE9402329A patent/SE501997C2/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE9402329D0 (en) | 1994-07-01 |
SE501997C2 (en) | 1995-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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