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Internal combustion engine utilizing dual compression and single expansion process

A technology for internal combustion engines and compressor cylinders, applied in the direction of internal combustion piston engines, combustion engines, engine control, etc., can solve problems such as limitations

Inactive Publication Date: 2013-08-14
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although relatively easy to maintain, these devices can cause problems and are inherently limited by their design in several ways

Method used

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  • Internal combustion engine utilizing dual compression and single expansion process
  • Internal combustion engine utilizing dual compression and single expansion process
  • Internal combustion engine utilizing dual compression and single expansion process

Examples

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Embodiment Construction

[0055] Referring now to the accompanying drawings, wherein the shown contents of the accompanying drawings are only for describing some exemplary embodiments and are not intended to be limiting, figure 1 A schematic diagram of an engine 100 according to the invention is shown. The present invention provides a three-cylinder internal combustion engine comprising a two-stroke compressor cylinder 2 and a pair of four-stroke power cylinders 14 , 16 . The pair of power cylinders 14 , 16 may be referred to as a first power cylinder 14 and a second power cylinder 16 .

[0056] The compressor cylinder 2 may comprise a piston 13 fitted with a corresponding reciprocating motion (eg Figure 3-7 shown), the piston is operatively connected to a rotating crankshaft by means of a connecting rod. Compression cylinder 2 draws charge via compressor inlet 4 . In particular, this charge is received in the compressor cylinder during the first stroke of the piston 13 relative to the compressor c...

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Abstract

An internal combustion engine includes a compressor cylinder having a respective inlet, a first outlet and a respective piston slideably movable within the compressor cylinder and operatively connected to a rotating crankshaft. The compressor cylinder provides a first stage of compression to a charge when the charge is transferred from the compressor cylinder during every revolution of the crankshaft. A first power cylinder includes a respective inlet in fluid communication with the first outlet of the compressor cylinder, a respective outlet and a respective piston slideably movable within the first power cylinder and operatively connected to the rotating crankshaft. The first power cylinder provides a second stage of compression and firing of the charge within the first power cylinder every two revolutions of the crankshaft.

Description

technical field [0001] The present invention relates generally to combustion engines. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and may not constitute prior art. [0003] Modern combustion engines generally include spark ignition engines and compression ignition engines. During operation, the efficiency of a combustion engine depends on many factors, including volumetric efficiency and thermodynamic efficiency. [0004] It is known to employ engines with boost induction, including turbochargers and superchargers, and is a significant addition to the basic engine design. Although relatively easy to maintain, these devices can cause problems and are inherently limited by their design in several respects. Contents of the invention [0005] An internal combustion engine comprising a compressor cylinder having a corresponding inlet, a first outlet and a corresponding piston slidably mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B33/02F02B75/18F02M25/07F02D23/00
CPCF02D23/00F02B33/22F02B75/18Y02T10/121F02M25/0749Y02T10/144F02M25/07F02B33/02F02B41/00F02B33/06F02M26/43
Inventor V.戈帕拉克里什南R.P.杜雷P.M.纳特
Owner GM GLOBAL TECH OPERATIONS LLC