NZ595493A - Internal combustion engine - Google Patents

Internal combustion engine

Info

Publication number
NZ595493A
NZ595493A NZ595493A NZ59549311A NZ595493A NZ 595493 A NZ595493 A NZ 595493A NZ 595493 A NZ595493 A NZ 595493A NZ 59549311 A NZ59549311 A NZ 59549311A NZ 595493 A NZ595493 A NZ 595493A
Authority
NZ
New Zealand
Prior art keywords
piston
crankshaft
connecting rod
rocker arm
pivotally connected
Prior art date
Application number
NZ595493A
Inventor
Roger John Smith
Original Assignee
Hieff Engine Company Ltd
Roger John Smith
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hieff Engine Company Ltd, Roger John Smith filed Critical Hieff Engine Company Ltd
Priority to NZ595493A priority Critical patent/NZ595493A/en
Priority to PCT/NZ2012/000174 priority patent/WO2013048262A1/en
Priority to AU2012268837A priority patent/AU2012268837A1/en
Publication of NZ595493A publication Critical patent/NZ595493A/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B9/00—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to preceding groups
    • F01B9/02—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to preceding groups with crankshaft
    • 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
    • F02B41/00—Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power
    • F02B41/02—Engines with prolonged expansion
    • F02B41/04—Engines with prolonged expansion in main cylinders
    • 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
    • F02B75/00—Other engines
    • F02B75/32—Engines characterised by connections between pistons and main shafts and not specific to preceding main groups
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H21/00—Gearings comprising primarily only links or levers, with or without slides
    • F16H21/10—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane
    • F16H21/16—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for interconverting rotary motion and reciprocating motion
    • F16H21/18—Crank gearings; Eccentric gearings
    • F16H21/22—Crank gearings; Eccentric gearings with one connecting-rod and one guided slide to each crank or eccentric
    • F16H21/28—Crank gearings; Eccentric gearings with one connecting-rod and one guided slide to each crank or eccentric with cams or additional guides
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Abstract

595493 Disclosed is an internal combustion engine to increase the dwell period of the piston at TDC to improve the efficiency and operating characteristics of the engine. The engine comprises a piston configured to move within a piston cylinder throughout a stroke cycle and a rotatable crankshaft comprising a crankshaft cam surface. A connecting rod assembly comprises a piston connecting rod pivotally connected at one end to the piston and a crankshaft timing rod pivotally connected at one end to the piston connecting rod at a conrod joint and at another end to the crankshaft. A rocker arm is configured to contact the profile of the crankshaft cam surface during its rotation cycle at one end and is pivotally connected to the rocker arm connecting rod, which is in turn pivotally connected to the conrod joint. The rocker arm and rocker arm connecting rod are together configured to move the conrod joint as the rocker arm is moved on the crankshaft cam surface to form a working crank angle between the piston connecting rod and the crankshaft timing rod when the piston is at its top dead centre (TDC) position. At its position of maximum displacement within the piston cylinder during a piston stroke cycle, the travel of the piston is slowed through the TDC position and the position of maximum displacement during the piston stroke for a predetermined angle of rotation of the crankshaft.
NZ595493A 2011-09-30 2011-09-30 Internal combustion engine NZ595493A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NZ595493A NZ595493A (en) 2011-09-30 2011-09-30 Internal combustion engine
PCT/NZ2012/000174 WO2013048262A1 (en) 2011-09-30 2012-09-28 An internal combustion engine
AU2012268837A AU2012268837A1 (en) 2011-09-30 2012-09-28 An internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NZ595493A NZ595493A (en) 2011-09-30 2011-09-30 Internal combustion engine

Publications (1)

Publication Number Publication Date
NZ595493A true NZ595493A (en) 2014-04-30

Family

ID=47996057

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ595493A NZ595493A (en) 2011-09-30 2011-09-30 Internal combustion engine

Country Status (3)

Country Link
AU (1) AU2012268837A1 (en)
NZ (1) NZ595493A (en)
WO (1) WO2013048262A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180195434A1 (en) * 2015-04-28 2018-07-12 Wladyslaw Kurek Internal combustion engine
US11483948B2 (en) 2019-08-28 2022-10-25 Laird Technologies, Inc. Thermal interface materials including memory foam cores
US11473513B1 (en) * 2021-10-13 2022-10-18 Defang Yuan Torque control of piston engine with crankpin offset

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1526463A1 (en) * 1966-02-07 1970-05-06 Georg Bloch Curve triangle drive shaft for gasoline and diesel reciprocating internal combustion engines
GB9712925D0 (en) * 1997-06-20 1997-08-20 Norton Cyril A Engine

Also Published As

Publication number Publication date
WO2013048262A1 (en) 2013-04-04
AU2012268837A1 (en) 2013-04-18

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Legal Events

Date Code Title Description
PSEA Patent sealed
LAPS Patent lapsed