CN2934611Y - Concave-shaped internal combustion engine piston - Google Patents
Concave-shaped internal combustion engine piston Download PDFInfo
- Publication number
- CN2934611Y CN2934611Y CN 200620129382 CN200620129382U CN2934611Y CN 2934611 Y CN2934611 Y CN 2934611Y CN 200620129382 CN200620129382 CN 200620129382 CN 200620129382 U CN200620129382 U CN 200620129382U CN 2934611 Y CN2934611 Y CN 2934611Y
- Authority
- CN
- China
- Prior art keywords
- combustion engine
- internal combustion
- concave
- piston
- sphere
- 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
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a concave-shaped gas engine piston; the end face of the front of the piston body is a concave-shaped spherical surface; the longitudinal central symmetry line of the concave-shaped spherical surface is overlapped with the longitudinal central symmetry line of the piston body. The utility model is such a piston which can improve the impetus of the gas engine piston and improve the efficiency of the gas engine.
Description
One, technical field
The utility model relates to a kind of internal combustion engine, is that the anterior working surface of a kind of piston is the piston of concave panel.
Two, background technique
At present, the operative end surface of internal combustion engine front portion is convex spherical or plane, and the longitudinal thrust of this piston piston when the broken acting of cylinder body internal combustion gas explosion is little, makes the inefficiency of internal-combustion engine.
Three, summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of vertical Driving force that can improve internal combustion engine effectively is provided, and improves the concave shape internal combustion engine of working efficiency of internal combustion engine.
The purpose of this utility model can realize by following technical measures: a kind of concave shape internal combustion engine, its specific embodiments is: the end face of piston body front portion is the spill sphere, and vertical symmetrical center line of spill sphere overlaps with vertical symmetrical center line of piston body.
The purpose of this utility model can also realize by following technical measures: the cross section at the vertical tangent plane inner concave shape sphere that overlaps with vertical symmetrical center line of spill sphere is a circular arc, and the central angle of circular arc is the 5-180 degree.
The central angle of circular arc is the 60-130 degree.
The utility model compared with prior art has following advantage:
1, has vertical Driving force of increasing combustion engine piston effectively.
2, motor can be changed this piston easily under the situation that does not increase any device, and use and installation cost are low.
3, practice and theoretical calculation show can increase power 2%-5%.
Four, description of drawings
Accompanying drawing is the structural representation of concave shape internal combustion engine.
Five, embodiment
Shown in the accompanying drawing: the concave shape internal combustion engine, its specific embodiments is: the end face of piston body front portion is the spill sphere, vertical symmetrical center line of spill sphere overlaps with vertical symmetrical center line of piston body.Longitudinal section at the vertical tangent plane inner concave shape sphere that overlaps with vertical symmetrical center line of spill sphere is a circular arc, and the central angle of circular arc is the 60-130 degree, and promptly the β of angle shown in the accompanying drawing is the 60-130 degree.The work sphere of piston front portion is to form concave surface earlier by piston body when the machine shaping in the specific implementation, is finish-machined to sphere then, and the piston body thickness at its sphere place is equal to or greater than the thickness of prior art convex piston body.
Claims (3)
1, recessed synform internal combustion engine is characterized in that: the end face of piston body front portion is the spill sphere, and vertical symmetrical center line of spill sphere overlaps with vertical symmetrical center line of piston body.
2, concave shape internal combustion engine according to claim 1 is characterized in that: the cross section at the vertical tangent plane inner concave shape sphere that overlaps with vertical symmetrical center line of spill sphere is a circular arc, and the central angle of circular arc is the 5-180 degree.
3, concave shape internal combustion engine according to claim 2 is characterized in that: the central angle of circular arc is the 60-130 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620129382 CN2934611Y (en) | 2006-07-21 | 2006-07-21 | Concave-shaped internal combustion engine piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620129382 CN2934611Y (en) | 2006-07-21 | 2006-07-21 | Concave-shaped internal combustion engine piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2934611Y true CN2934611Y (en) | 2007-08-15 |
Family
ID=38351301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620129382 Expired - Fee Related CN2934611Y (en) | 2006-07-21 | 2006-07-21 | Concave-shaped internal combustion engine piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2934611Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818019A (en) * | 2012-08-23 | 2012-12-12 | 蔡宏生 | Concave surface piston |
-
2006
- 2006-07-21 CN CN 200620129382 patent/CN2934611Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818019A (en) * | 2012-08-23 | 2012-12-12 | 蔡宏生 | Concave surface piston |
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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 |