CN2283132Y - Direct-spraying type heart shape combustion chamber cylinder for diesel engine - Google Patents
Direct-spraying type heart shape combustion chamber cylinder for diesel engine Download PDFInfo
- Publication number
- CN2283132Y CN2283132Y CN96232309U CN96232309U CN2283132Y CN 2283132 Y CN2283132 Y CN 2283132Y CN 96232309 U CN96232309 U CN 96232309U CN 96232309 U CN96232309 U CN 96232309U CN 2283132 Y CN2283132 Y CN 2283132Y
- Authority
- CN
- China
- Prior art keywords
- heart
- cylinder
- diesel engine
- piston
- combustion chamber
- 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
Images
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
- 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
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
The utility model relates to a direct-spraying type heart shape combustion chamber cylinder for a diesel engine, which is composed of a cylinder jacket, a cylinder cover, and a piston, wherein, the cylinder cover is hermetically connected with the top surface of the cylinder jacket by a cylinder gasket, the piston is sheathed with a piston ring, a valve seat and a fuel injector are arranged on the cylinder cover, a valve is connected with the valve seat, a recess of a heart-shaped combustion chamber is arranged on the surface of a piston crown in the cylinder jacket, a fuel injector tip of the fuel injector is positioned at a heart apex of the heart-shaped combustion chamber, two fuel injection holes which inject fuel into the heart-shaped combustion chamber are arranged on the fuel injector tip of the fuel injector.
Description
The utility model relates to a kind of engine cylinder.
The existing diesel engine particularly cylinder of small-bore diesel engine adopts vortex chamber and pre-combustion chamber more, the shower nozzle of the oil sprayer of the straight oil injection type small-bore diesel engine that has is arranged on the center of cylinder, the oil spout range is short, injection pressure can not be too big, the aperture of oil spout oilhole is also less, the oil atomizing effect is undesirable, has influenced the Economy and the first startability of diesel engine operation.
The purpose of this utility model is: the heart-shaped firing chamber of a kind of direct spray type diesel engine cylinder design proposal is provided, can adapts to the high, medium and low fast operating mode of diesel engine, the Economy of favourable raising diesel engine operation and first startability.
The technical solution of the utility model is: the heart-shaped firing chamber of direct spray type diesel engine cylinder, cylinder sleeve, cylinder head and piston are arranged, the end face of cylinder head and cylinder sleeve is tightly connected with cylinder gasket, be with piston ring on the piston, valve seat and oil sprayer are arranged on the cylinder head, porthole is connected with valve seat, it is characterized in that: on the piston-top surface in the cylinder sleeve heart-shaped firing chamber depression is arranged, the nozzle tip of oil sprayer is positioned at the apex of the heart place of heart-shaped firing chamber, and two nozzle openings to the oil spout of heart-shaped firing chamber are arranged on the nozzle tip of oil sprayer.
Major advantage of the present utility model is: because nozzle tip is positioned at the apex of the heart place of heart-shaped firing chamber, the oil spout range is longer, the corresponding increasing of injection pressure, improved the atomizing situation of oil spout, can adapt to the burning of the high, medium and low fast operating mode of diesel engine, the Economy of favourable raising diesel engine operation and first startability.
Below in conjunction with drawings and Examples the utility model is further specified:
Fig. 1: the heart-shaped firing chamber of direct spray type diesel engine cylinder structure sectional view.
The piston plan view of Fig. 2: Fig. 1.
Among the figure: 1, cylinder sleeve, 2, piston, 3, piston ring, 4, cylinder gasket, 5, cylinder head, 6, oil sprayer, 7, valve seat, 8, porthole, 9, heart-shaped firing chamber depression, 10 nozzle openings.
Embodiment:
The heart-shaped firing chamber of direct spray type diesel engine cylinder (see figure 1) has cylinder sleeve 1, cylinder head 5 and piston 2, cylinder head 5 is tightly connected with cylinder gasket 4 with the end face of cylinder sleeve 1, be with piston ring 3 on the piston 2, valve seat 7 and oil sprayer 6 are arranged on the cylinder head 5, porthole 8 is connected with valve seat 7, on piston 2 end faces in the porthole cover 1 heart-shaped firing chamber depression 9 is arranged, the nozzle tip of oil sprayer 6 is positioned at apex of the heart place, heart-shaped firing chamber (see figure 2), and two nozzle openings 10 to the oil spout of heart-shaped firing chamber are arranged on the nozzle tip.
Claims (2)
1, the heart-shaped firing chamber of direct spray type diesel engine cylinder, cylinder sleeve is arranged, cylinder head and piston, the end face of cylinder head and cylinder sleeve is tightly connected with cylinder gasket, be with piston ring on the piston, valve seat and oil sprayer are arranged on the cylinder head, porthole is connected with valve seat, it is characterized in that: on the piston-top surface in the cylinder sleeve heart-shaped firing chamber depression is arranged, the nozzle tip of oil sprayer is positioned at the apex of the heart place of heart-shaped firing chamber.
2, according to the heart-shaped firing chamber of the described direct spray type of claim 1 diesel engine cylinder, it is characterized in that: two nozzle openings to the oil spout of heart-shaped firing chamber are arranged on the nozzle tip of oil sprayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96232309U CN2283132Y (en) | 1996-07-10 | 1996-07-10 | Direct-spraying type heart shape combustion chamber cylinder for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96232309U CN2283132Y (en) | 1996-07-10 | 1996-07-10 | Direct-spraying type heart shape combustion chamber cylinder for diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2283132Y true CN2283132Y (en) | 1998-06-03 |
Family
ID=33909287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96232309U Expired - Fee Related CN2283132Y (en) | 1996-07-10 | 1996-07-10 | Direct-spraying type heart shape combustion chamber cylinder for diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2283132Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937462A (en) * | 2016-07-15 | 2016-09-14 | 阿尔特汽车技术股份有限公司 | Direct injection vortex piston top combustion chamber |
-
1996
- 1996-07-10 CN CN96232309U patent/CN2283132Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937462A (en) * | 2016-07-15 | 2016-09-14 | 阿尔特汽车技术股份有限公司 | Direct injection vortex piston top combustion chamber |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8291881B2 (en) | Piston for internal combustion engine | |
| EP0879942A3 (en) | Direct injection gasoline engine with stratified charge combustion and homogeneous charge combustion | |
| EP0835994A3 (en) | Combustion chamber structure | |
| US20040177828A1 (en) | Three-reentrancy combustion chamber | |
| US6910455B2 (en) | Spark ignition engine with shallow bowl-in-piston geometry | |
| EP0879944A3 (en) | Cylinder direct injection spark-ignition engine | |
| US20030136372A1 (en) | Combustion chamber | |
| EP1069291A3 (en) | In-cylinder direct-injection spark-ignition engine | |
| US6536404B2 (en) | Piston having combustion chamber defined in the crown | |
| EP0778403A4 (en) | Cylinder injection type internal combustion engine | |
| SU1739860A3 (en) | Direct-injection internal combustion engine with forced ignition | |
| CN2283132Y (en) | Direct-spraying type heart shape combustion chamber cylinder for diesel engine | |
| EP0911500A3 (en) | Direct injection diesel engine | |
| CA2454719A1 (en) | Combustion chamber | |
| JPH03117672A (en) | Fuel injection device | |
| JPH02132815U (en) | ||
| EP1088973A3 (en) | In-cylinder direct injection spark ignition engine | |
| CN2236022Y (en) | Assembling component of fuel-injecting nozzle needle-valve and push-rod of diesel engine | |
| EP0909893A3 (en) | Direct injection diesel engine | |
| CN1657764A (en) | Multi-injection fuel injection nozzle | |
| CN2053252U (en) | Axle type fuel injector with umbrella injection | |
| KR200173928Y1 (en) | Piston for directly injected engine | |
| CN201092882Y (en) | Single cylinder air cooling direct-injection diesel engine combustion system | |
| AU699698B2 (en) | Stratified combustion chamber for a cross-scavenged, two-stroke, internal combustion engine | |
| CN2321946Y (en) | Mushroom shape swirl chamber structure for diesel engine combustion chamber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |