CN1076006A - Reciprocating rotary engine - Google Patents
Reciprocating rotary engine Download PDFInfo
- Publication number
- CN1076006A CN1076006A CN 92103832 CN92103832A CN1076006A CN 1076006 A CN1076006 A CN 1076006A CN 92103832 CN92103832 CN 92103832 CN 92103832 A CN92103832 A CN 92103832A CN 1076006 A CN1076006 A CN 1076006A
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- Prior art keywords
- eccentric wheel
- piston
- output shaft
- engine device
- regulations
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- 238000005096 rolling process Methods 0.000 claims description 3
- 239000003082 abrasive agent Substances 0.000 claims 1
- 239000003562 lightweight material Substances 0.000 claims 1
- 239000000314 lubricant Substances 0.000 claims 1
- 230000007246 mechanism Effects 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Transmission Devices (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The present invention discloses a reciprocating rotary engine which does not need a connecting rod-crankshaft mechanism, and has the advantages of small volume, less parts, simple process and low cost. The above-mentioned characteristics are realized by that the reciprocating piston can be used for driving output shaft to make it rotate by means of eccentric wheel mounted in its internal cavity.
Description
The present invention relates to a kind of improved Reciprocating engine, particularly a kind of piston engine that does not have connecting rod-crankshaft structure; The present invention relates to a kind of improved rotary engine simultaneously, particularly a kind of rotary engine that is directly driven output shaft by reciprocating piston by eccentric mechanism.
Existing Reciprocating engine mainly is made up of cylinder, piston, connecting rod and bent axle.In the work cycle of motor, piston is reciprocating along cylinder, and drives crankshaft rotating by a hinged connecting rod.This ceternally immutable connecting rod-crank mechanism can become rotatablely moving of bent axle to the to-and-fro motion of piston.But the mechanical combination technique of connecting rod-curved shaft type requires high, and manufacturing process is extremely complicated, needs special accurate manufacturing mechanism and special processing, means of testing, and the reject rate height consumes the manpower financial capacity in a large number.The serious drawback of another of connecting rod-crank mechanism is that it must cause the redundancy of whole motor on volume and weight.
Rotary engine mainly is meant all the non-shuttle motors except that turbo machine.Existing many this type of reseach of engine successes are also come into operation.People's purpose is to take this to cancel connecting rod-crankshaft structure.Wherein typical a kind of is famous " wankel " motor, and it adopts a triangle to make solid of rotation, and rotor power is passed to live axle by internal gear, and the motor body inwall has epitrochoid surface, length width of cloth garden.Rotary engine has advantages such as moving element is less, cost is lower, weight is light, compact structure usually, but usually has shortcomings such as being difficult to sealing and manufacturing processing.Thereby can't replace Reciprocating engine.Soviet Union's patent of invention 1038487 proposes a kind of rotary engine, it is characterized in that by cylinder reciprocatingly, does the pulsed rotation by two overrunning clutch live axles.This structure has can significantly simplify the motor movement parts, volume is little, in light weight, cost is low, be convenient to advantages such as manufacturing, but this mechanism exists the revolution of single work cycle driven shaft slow, mechanism's total efficiency is low and be difficult for shortcoming such as synchronization control, has reduced its practical value.
The objective of the invention is to provide a kind of improved Reciprocating engine, also is a kind of improved rotary engine simultaneously, and promptly a kind of do not have rotary engine connecting rod-crankshaft structure, that directly driven by the to-and-fro motion of piston.
Purpose of the present invention realizes as follows: when piston reciprocates, the eccentric wheel that is contained in piston cavity is forced to rotate thereupon, rotates thereby order about the driven shaft that passes wherein, is connected with spline.Characteristics of the present invention are that extremely letter of structure, component are few, manufacturing is processed very easily, take in the advantage of Reciprocating engine and rotary engine concurrently, have overcome the shortcoming of the two.The present invention does not change the work cycle mechanism of existing Reciprocating engine, does not change the existing other system of Reciprocating engine except that connecting rod-crank mechanism and crankcase, only needs the layout adjustment necessary slightly to gas distribution system.The manufacturing overall cost of the motor after the improvement gives meter and only is equivalent to 1/4th to 1/5th of available engine.
Below in conjunction with accompanying drawing invention is further described:
Fig. 1 is the sectional arrangement drawing of a kind of concrete structure of the present invention.
With reference to Fig. 1 (by the motion conditions of four-stroke work cycle), when aspirating stroke begins, the piston (2) of interior dress eccentric wheel (5) is downward along the cylinder (1) of band concave inner surface from top dead center, piston cavity groove (10) compressing eccentric wheel (5).This pressure is converted into torque to eccentric wheel (5) by eccentric distance e.Eccentric wheel outer rim (8) is by rolling element (9) piston cavity groove (10) generation rolling relatively, thereby eccentric wheel (5) rotates and drive output shaft (7) rotation that is connected with it.When going lower dead center, begin to change over to compression stroke, the inner chamber groove (10) of piston (2) the other end is oppressed eccentric wheel (5) from bottom to top, keeps the rotation of eccentric wheel (5) and output shaft (7) with identical mechanism (direction is opposite).In expansion stroke and exhaust stroke, mechanism repeats the movement process of preceding two strokes.The axially locating of eccentric wheel (5) and the vibration balance of mechanism kinematic are to be realized by the positioning balance axle sleeve that is contained in eccentric wheel (5) both sides.
Claims (6)
1, a kind of by piston (2), cylinder block (3), eccentric wheel (5), location axle sleeve (6), the engine device that output shaft (7) is formed is characterized in that driving eccentric wheel (5) and output shaft (7) rotation by piston (2) reciprocating in cylinder block (3).
2, by the engine device of claim 1 or 2 regulations, it is characterized in that cylinder block (3) stage casing is concave inner surface,, and hold lubricant oil so that output shaft (7), eccentric wheel (5) are installed betwixt.
3, by the engine device of claim 1 or 2 regulations, it is characterized in that the whole double-piston of piston (2) for middle fluting, the axial end of piston cavity groove (10) studs with high-abrasive material.
4, by the engine devices of claim 1,2 or 3 regulations, it is characterized in that eccentric wheel (5) made by lightweight material, be connected by rolling element (9) between the interior outer rim that inner edge is provided with the balance lightening hole.
5, by the engine device of claim 1,2 or 3 regulations, it is characterized in that output shaft (7) is connected with the spline of eccentric wheel (5).
6, by the engine device of claim 5 regulation, it is characterized in that being contained in the radially eccentric side counterweight of location axle sleeve (6) of eccentric wheel (5) both sides, realize dynamic balancing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92103832 CN1076006A (en) | 1992-05-30 | 1992-05-30 | Reciprocating rotary engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92103832 CN1076006A (en) | 1992-05-30 | 1992-05-30 | Reciprocating rotary engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1076006A true CN1076006A (en) | 1993-09-08 |
Family
ID=4940487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92103832 Pending CN1076006A (en) | 1992-05-30 | 1992-05-30 | Reciprocating rotary engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1076006A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305132A (en) * | 2011-08-26 | 2012-01-04 | 杨开达 | Engine |
-
1992
- 1992-05-30 CN CN 92103832 patent/CN1076006A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305132A (en) * | 2011-08-26 | 2012-01-04 | 杨开达 | Engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |