FR2260699A1 - Free-piston compressor has spring loaded piston to shut outlet - before end of stroke, the moment of shutting being function of working conditions - Google Patents

Free-piston compressor has spring loaded piston to shut outlet - before end of stroke, the moment of shutting being function of working conditions

Info

Publication number
FR2260699A1
FR2260699A1 FR7404637A FR7404637A FR2260699A1 FR 2260699 A1 FR2260699 A1 FR 2260699A1 FR 7404637 A FR7404637 A FR 7404637A FR 7404637 A FR7404637 A FR 7404637A FR 2260699 A1 FR2260699 A1 FR 2260699A1
Authority
FR
France
Prior art keywords
piston
stroke
moment
function
working conditions
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7404637A
Other languages
French (fr)
Other versions
FR2260699B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7404637A priority Critical patent/FR2260699A1/en
Priority to ZA00750725A priority patent/ZA75725B/en
Priority to DE19752505032 priority patent/DE2505032A1/en
Priority to AU78007/75A priority patent/AU7800775A/en
Priority to ES434628A priority patent/ES434628A1/en
Priority to IT48117/75A priority patent/IT1029691B/en
Publication of FR2260699A1 publication Critical patent/FR2260699A1/en
Application granted granted Critical
Publication of FR2260699B1 publication Critical patent/FR2260699B1/fr
Granted legal-status Critical Current

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
    • 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
    • F04B31/00—Free-piston pumps specially adapted for elastic fluids; Systems incorporating such pumps
    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
    • F04B49/225—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves with throttling valves or valves varying the pump inlet opening or the outlet opening

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Hydraulic Motors (AREA)
  • Compressor (AREA)

Abstract

The compressor is of the type in which a non-mechanically driven piston is caused to reciprocate freely by impulses acting on it, thereby taking in and compressing gas in a cylinder provided with inlet and outlet valves, the outlet port being shut before the end of the stroke so that a gas buffer is created which has an effect on the working conditions. Means are provided which determine the volume of this buffer at the moment the outlet port is shut as a function of at least one working condition. Preferably a spring-loaded auxiliary piston is provided of which one side is exposed to the inlet pressure and the other side to the discharge pressure, and which projects from the main piston into the compressor chamber by an amount determined by the pressure differential across it, the arrangement being such that its projecting portion closes the outlet orifice.
FR7404637A 1974-02-12 1974-02-12 Free-piston compressor has spring loaded piston to shut outlet - before end of stroke, the moment of shutting being function of working conditions Granted FR2260699A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7404637A FR2260699A1 (en) 1974-02-12 1974-02-12 Free-piston compressor has spring loaded piston to shut outlet - before end of stroke, the moment of shutting being function of working conditions
ZA00750725A ZA75725B (en) 1974-02-12 1975-02-04 Improvements in free-travel energy converters
DE19752505032 DE2505032A1 (en) 1974-02-12 1975-02-06 ENERGY CONVERTER WITH FREE STROKE
AU78007/75A AU7800775A (en) 1974-02-12 1975-02-07 Free-travel energy converters
ES434628A ES434628A1 (en) 1974-02-12 1975-02-11 Free carrera energy converter. (Machine-translation by Google Translate, not legally binding)
IT48117/75A IT1029691B (en) 1974-02-12 1975-02-11 IMPROVEMENT IN FREE STROKE ENERGY CONVERTERS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7404637A FR2260699A1 (en) 1974-02-12 1974-02-12 Free-piston compressor has spring loaded piston to shut outlet - before end of stroke, the moment of shutting being function of working conditions

Publications (2)

Publication Number Publication Date
FR2260699A1 true FR2260699A1 (en) 1975-09-05
FR2260699B1 FR2260699B1 (en) 1978-06-16

Family

ID=9134789

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7404637A Granted FR2260699A1 (en) 1974-02-12 1974-02-12 Free-piston compressor has spring loaded piston to shut outlet - before end of stroke, the moment of shutting being function of working conditions

Country Status (6)

Country Link
AU (1) AU7800775A (en)
DE (1) DE2505032A1 (en)
ES (1) ES434628A1 (en)
FR (1) FR2260699A1 (en)
IT (1) IT1029691B (en)
ZA (1) ZA75725B (en)

Also Published As

Publication number Publication date
ES434628A1 (en) 1977-02-01
FR2260699B1 (en) 1978-06-16
AU7800775A (en) 1976-08-12
DE2505032A1 (en) 1975-09-11
IT1029691B (en) 1979-03-20
ZA75725B (en) 1976-01-28

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Legal Events

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CL Concession to grant licences
ST Notification of lapse