EP0048362A3 - Protection device for piston rods or rams, especially for use in combustion apparatuses - Google Patents

Protection device for piston rods or rams, especially for use in combustion apparatuses Download PDF

Info

Publication number
EP0048362A3
EP0048362A3 EP81106898A EP81106898A EP0048362A3 EP 0048362 A3 EP0048362 A3 EP 0048362A3 EP 81106898 A EP81106898 A EP 81106898A EP 81106898 A EP81106898 A EP 81106898A EP 0048362 A3 EP0048362 A3 EP 0048362A3
Authority
EP
European Patent Office
Prior art keywords
protection device
rams
piston rods
piston rod
combustion apparatuses
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.)
Withdrawn
Application number
EP81106898A
Other languages
German (de)
French (fr)
Other versions
EP0048362A2 (en
Inventor
Johannes Josef Dr.-Ing. Martin
Walter Josef Dipl.-Ing. Martin
Erich Weber
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.)
Josef Martin Feuerungsbau GmbH
Original Assignee
Josef Martin Feuerungsbau GmbH
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 Josef Martin Feuerungsbau GmbH filed Critical Josef Martin Feuerungsbau GmbH
Publication of EP0048362A2 publication Critical patent/EP0048362A2/en
Publication of EP0048362A3 publication Critical patent/EP0048362A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
    • F23K3/16—Over-feed arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Actuator (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Incineration Of Waste (AREA)

Abstract

Die Schutzvorrichtung für die Kolbenstange (5) eines Arbeitszylinders (4) weist ein mit der Kolbenstange (5) abgedichtet verbundenes Schutzrohr (9) auf, dessen Länge die Hublänge der Kolbenstange übersteigt und dessen offenes Ende den Arbeitszylinder (4) mit einem engen Spalt (10) übergreift. Falls die sich aus dem engen Spalt (10) ergebende Schutzwirkung nicht ausreicht, kann Luft oder irgendein anderes Gas mittels einer Spülluftleitung (12) in das Innere (11) des Schutzrohres (9) eingeführt werden. The protection device for the piston rod (5) one Working cylinder (4) has a piston rod (5) sealed connected protective tube (9), its length exceeds the stroke length of the piston rod and its open end the working cylinder (4) with a narrow gap (10) overlaps. If it emerges from the narrow gap (10) resulting protective effect is insufficient, air or any other gas through a purge air line (12) in the interior (11) of the protective tube (9) are inserted.

EP81106898A 1980-09-24 1981-09-03 Protection device for piston rods or rams, especially for use in combustion apparatuses Withdrawn EP0048362A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3036053 1980-09-24
DE19803036053 DE3036053A1 (en) 1980-09-24 1980-09-24 PROTECTIVE DEVICE FOR PISTON RODS OF WORK CYLINDERS, ESPECIALLY FOR COMBUSTION SYSTEMS

Publications (2)

Publication Number Publication Date
EP0048362A2 EP0048362A2 (en) 1982-03-31
EP0048362A3 true EP0048362A3 (en) 1982-09-01

Family

ID=6112762

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81106898A Withdrawn EP0048362A3 (en) 1980-09-24 1981-09-03 Protection device for piston rods or rams, especially for use in combustion apparatuses

Country Status (7)

Country Link
EP (1) EP0048362A3 (en)
JP (1) JPS57108587A (en)
BR (1) BR8106084A (en)
CA (1) CA1176915A (en)
DD (1) DD200533A5 (en)
DE (1) DE3036053A1 (en)
DK (1) DK421181A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3803964C2 (en) * 1988-02-10 2002-03-28 Festo Ag & Co guard
DE4010225A1 (en) * 1990-03-30 1991-10-02 Porsche Ag PROTECTIVE DEVICE FOR A PISTON ROD OF A HYDRAULIC CYLINDER
ITRM20030438A1 (en) * 2003-09-24 2005-03-25 Jolly Drive S R L PROTECTION DEVICE FROM MARINE VEGETATION
US7594466B2 (en) 2007-01-12 2009-09-29 Rotobec Inc. Actuator with a protective sleeve for a piston
CN102536955A (en) * 2011-12-30 2012-07-04 东北农业大学 Bearing hydraulic cylinder with oppositely arranged two cylinder bodies and hinged structures at parts excluding end parts
CN110410380A (en) * 2019-08-27 2019-11-05 杭州先力液压机械有限公司 Water cooling charging accessory and its working method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1551906A1 (en) * 1966-03-01 1970-01-15 Martin Joh Jos Dr Ing Feeding device for large firings, in particular waste incineration plants
DE1601715A1 (en) * 1968-03-09 1970-08-13 Rolf Dohrendorf Hydraulic equipment, in particular for driving construction machines
US3559823A (en) * 1969-03-14 1971-02-02 Albert Ostrin Ram feed for incinerators

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1551906A1 (en) * 1966-03-01 1970-01-15 Martin Joh Jos Dr Ing Feeding device for large firings, in particular waste incineration plants
DE1601715A1 (en) * 1968-03-09 1970-08-13 Rolf Dohrendorf Hydraulic equipment, in particular for driving construction machines
US3559823A (en) * 1969-03-14 1971-02-02 Albert Ostrin Ram feed for incinerators

Also Published As

Publication number Publication date
DK421181A (en) 1982-03-25
DE3036053A1 (en) 1982-04-08
EP0048362A2 (en) 1982-03-31
DD200533A5 (en) 1983-05-11
BR8106084A (en) 1982-06-08
CA1176915A (en) 1984-10-30
JPS57108587A (en) 1982-07-06

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19811030

AK Designated contracting states

Designated state(s): BE CH DE FR GB IT NL

PUAL Search report despatched

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AK Designated contracting states

Designated state(s): BE CH DE FR GB IT NL

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19840702

RIN1 Information on inventor provided before grant (corrected)

Inventor name: WEBER, ERICH

Inventor name: MARTIN, JOHANNES JOSEF, DR.-ING.

Inventor name: MARTIN, WALTER JOSEF, DIPL.-ING.