Double-crankshaft-contained variable-compression-ratio Atkinson-cycle internal-combustion engine mechanism

A technology of internal combustion engine and double crankshaft, applied in the field of variable compression ratio Atkinson cycle internal combustion engine mechanism, which can solve the problems of high complexity, cumbersome manufacturing process and high cost

Inactive Publication Date: 2012-07-04
朱譞晟
View PDF6 Cites 16 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this method must be equipped with a variable compression ratio mechanism for each cylinder, which is very complicated
Another example is that the publication number CN101375043A is used to control the electrom...

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Double-crankshaft-contained variable-compression-ratio Atkinson-cycle internal-combustion engine mechanism
  • Double-crankshaft-contained variable-compression-ratio Atkinson-cycle internal-combustion engine mechanism
  • Double-crankshaft-contained variable-compression-ratio Atkinson-cycle internal-combustion engine mechanism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] Three exemplary embodiments of the present invention are described in detail below.

[0013] figure 1 is a schematic diagram showing a structural diagram of the first embodiment. The piston 1 is connected to one end of the rocker arm 5 through the piston connecting rod 2 and the shaft 6; the first crankshaft 4 is connected to the other end of the rocker arm 5 through the connecting rod 3 and the shaft 7; the fulcrum of the rocker arm 5 in the middle is connected by the fulcrum shaft 11 The connecting rod 14 of the second crankshaft 8 is also connected with two elliptical fulcrum pads 12 and 13 on both sides of the rocking arm 5; the fulcrum pad 13 is installed in the vertical straight groove 21, and the fulcrum pad The block 12 is in the opposite groove (not shown), and can only move up and down in a straight line; the gear 9 is installed on the first crankshaft 4, and the gear 10 is installed on the second crankshaft 8, and the two are connected by a chain 15, so The...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a double-crankshaft-contained variable-compression-ratio Atkinson-cycle internal-combustion engine mechanism, which is an internal-combustion engine technology and is used for improving the usability of an Atkinson-cycle internal-combustion engine and improving the thermal efficiency of the internal-combustion engine to enable the thermal efficiency to be approximate to the highest theoretical efficiency of a Carnot cycle. The mechanism comprises a rocking arm, a second crankshaft, a connecting rod of the second crankshaft, a driving chain, a phase regulator and a derived three-crankshaft Atkinson internal-combustion engine mechanism, wherein the rocking arm is used for connecting a piston connecting rod and a connecting rod of a first crankshaft; the second crankshaft and the connecting rod of the second crankshaft are used for driving the rocking arm to make periodic motion; the driving chain is used for connecting gears on the first crankshaft and the second crankshaft; the gear ratio of the gear for the first crankshaft to the gear for the second crankshaft is 1:2; and the phase regulator is used for regulating the rotary phase relation between the first crankshaft and the second crankshaft. Through the double-crankshaft-contained variable-compression-ratio Atkinson-cycle internal-combustion engine mechanism, the fuel efficiency of a naturally-aspirated internal-combustion engine can be effectively improved, and meanwhile, the double-crankshaft-contained variable-compression-ratio Atkinson-cycle internal-combustion engine mechanism has the actions of additionally regulating the compression ratio and changing the discharging quantity within a small range.

Description

technical field [0001] The invention relates to a variable compression ratio Atkinson cycle internal combustion engine mechanism with double crankshafts, which is an internal combustion engine technology for improving the availability of the Atkinson cycle internal combustion engine and improving the thermal efficiency of the internal combustion engine to make it very close to the theory of the Carnot cycle Maximum efficiency. In an internal combustion engine mechanism with two crankshafts, one crankshaft rotates twice as fast as the other crankshaft. The compression ratio of the internal combustion engine can be adjusted by adjusting the phase relationship of the two crankshafts. The mechanism can effectively improve the fuel efficiency of the naturally aspirated internal combustion engine, and make the pressure in the cylinder closer to the atmospheric pressure when the cylinder exhaust stroke starts. Background technique [0002] The Atkinson cycle is a high-efficiency ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): F02B75/04F02B75/32F02D15/02
CPCY02T10/142Y02T10/12
Inventor 朱譞晟
Owner 朱譞晟
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap