WO2010122349A3 - Improved piston - Google Patents

Improved piston Download PDF

Info

Publication number
WO2010122349A3
WO2010122349A3 PCT/GB2010/050664 GB2010050664W WO2010122349A3 WO 2010122349 A3 WO2010122349 A3 WO 2010122349A3 GB 2010050664 W GB2010050664 W GB 2010050664W WO 2010122349 A3 WO2010122349 A3 WO 2010122349A3
Authority
WO
WIPO (PCT)
Prior art keywords
piston
drive rod
improved piston
coupled
transfer part
Prior art date
Application number
PCT/GB2010/050664
Other languages
French (fr)
Other versions
WO2010122349A2 (en
Inventor
Jonathan Sebastian Howes
James Macnaghten
Original Assignee
Isentropic Limited
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 Isentropic Limited filed Critical Isentropic Limited
Publication of WO2010122349A2 publication Critical patent/WO2010122349A2/en
Publication of WO2010122349A3 publication Critical patent/WO2010122349A3/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/14—Pistons, piston-rods or piston-rod connections
    • F04B53/144—Adaptation of piston-rods
    • F04B53/147—Mounting or detaching of piston rod
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
    • F04B39/0022—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons piston rods
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J1/00—Pistons; Trunk pistons; Plungers
    • F16J1/005—Pistons; Trunk pistons; Plungers obtained by assembling several pieces
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J1/00—Pistons; Trunk pistons; Plungers
    • F16J1/10—Connection to driving members
    • F16J1/12—Connection to driving members with piston-rods, e.g. rigid connections

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

A piston assembly (10) comprising: a piston (50); a drive rod (20) coupled to the piston for in use driving the piston; and a load transfer part (60) comprising a stiffening structure (61), the load transfer part enclosing at least a portion of the drive rod and being coupled to the drive rod at a plurality of longitudinally spaced locations along the drive rod.
PCT/GB2010/050664 2009-04-24 2010-04-23 Improved piston WO2010122349A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0907096A GB0907096D0 (en) 2009-04-24 2009-04-24 Improved piston
GB0907096.2 2009-04-24

Publications (2)

Publication Number Publication Date
WO2010122349A2 WO2010122349A2 (en) 2010-10-28
WO2010122349A3 true WO2010122349A3 (en) 2011-03-31

Family

ID=40774939

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2010/050664 WO2010122349A2 (en) 2009-04-24 2010-04-23 Improved piston

Country Status (2)

Country Link
GB (1) GB0907096D0 (en)
WO (1) WO2010122349A2 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR334231A (en) * 1903-07-29 1903-12-15 George Henry Holgate Piston improvements
GB191328808A (en) * 1913-12-13 1914-07-16 Robert Allen Improvements in Pistons and Piston Valves.
GB191400178A (en) * 1914-01-03 1914-10-22 Robert Allen Improvements in Pistons.
FR1144853A (en) * 1955-04-04 1957-10-18 Sulzer Ag Piston machine with piston body without direct contact
DE4123029A1 (en) * 1991-07-12 1993-01-14 Daimler Benz Ag Piston for stroke piston engine - has honeycomb support structure inside piston sleeve to strengthen lightweight structure
WO2000066299A1 (en) * 1999-04-29 2000-11-09 Lucas Industries Public Limited Company Piston and method of producing the same
US20070261663A1 (en) * 2006-05-10 2007-11-15 Warran Lineton Thermal oxidation protective surface for steel pistons
WO2009074800A1 (en) * 2007-12-11 2009-06-18 Isentropic Limited Valve

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR334231A (en) * 1903-07-29 1903-12-15 George Henry Holgate Piston improvements
GB191328808A (en) * 1913-12-13 1914-07-16 Robert Allen Improvements in Pistons and Piston Valves.
GB191400178A (en) * 1914-01-03 1914-10-22 Robert Allen Improvements in Pistons.
FR1144853A (en) * 1955-04-04 1957-10-18 Sulzer Ag Piston machine with piston body without direct contact
DE4123029A1 (en) * 1991-07-12 1993-01-14 Daimler Benz Ag Piston for stroke piston engine - has honeycomb support structure inside piston sleeve to strengthen lightweight structure
WO2000066299A1 (en) * 1999-04-29 2000-11-09 Lucas Industries Public Limited Company Piston and method of producing the same
US20070261663A1 (en) * 2006-05-10 2007-11-15 Warran Lineton Thermal oxidation protective surface for steel pistons
WO2009074800A1 (en) * 2007-12-11 2009-06-18 Isentropic Limited Valve

Also Published As

Publication number Publication date
WO2010122349A2 (en) 2010-10-28
GB0907096D0 (en) 2009-06-03

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