DE59503583D1 - High pressure cleaning device - Google Patents

High pressure cleaning device

Info

Publication number
DE59503583D1
DE59503583D1 DE59503583T DE59503583T DE59503583D1 DE 59503583 D1 DE59503583 D1 DE 59503583D1 DE 59503583 T DE59503583 T DE 59503583T DE 59503583 T DE59503583 T DE 59503583T DE 59503583 D1 DE59503583 D1 DE 59503583D1
Authority
DE
Germany
Prior art keywords
core
high pressure
piston
cleaning device
pressure cleaning
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.)
Expired - Fee Related
Application number
DE59503583T
Other languages
German (de)
Inventor
Reinhold Diesch
Gerhard Staebler
Alfred Poch
Eberhard Gleich
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.)
Alfred Kaercher SE and Co KG
Original Assignee
Alfred Kaercher SE and Co KG
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 Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Application granted granted Critical
Publication of DE59503583D1 publication Critical patent/DE59503583D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/122—Details or component parts, e.g. valves, sealings or lubrication means
    • F04B1/124—Pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2253/00—Other material characteristics; Treatment of material
    • F05C2253/12—Coating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Reciprocating Pumps (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

The appliance has a swash plate drive with an oscillating piston (12) in a high pressure pump and is made of plastics material. The piston may have a metal core (17), connected to the head section (14). The core is enclosed by a jacket (19) of plastics, and both together form the working part (18) of the piston. The core has a circular cylinder shape. The jacket has a thickness of 0,5 to 10 mm, esp. 1 to 5 mm, and it also covers the end face (20) of the core. The end face has a retention aperture (21) for a holder element (22). <IMAGE>
DE59503583T 1994-06-18 1995-03-23 High pressure cleaning device Expired - Fee Related DE59503583D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4421417 1994-06-18

Publications (1)

Publication Number Publication Date
DE59503583D1 true DE59503583D1 (en) 1998-10-22

Family

ID=6520963

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59503583T Expired - Fee Related DE59503583D1 (en) 1994-06-18 1995-03-23 High pressure cleaning device

Country Status (3)

Country Link
EP (1) EP0688952B1 (en)
AT (1) ATE171246T1 (en)
DE (1) DE59503583D1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19605369A1 (en) * 1996-02-14 1997-08-21 Schaeffler Waelzlager Kg Plastics piston for corrosive fluid pump
DE19708143A1 (en) * 1997-02-28 1998-09-03 Itt Mfg Enterprises Inc Piston for radial pump for motor vehicle brake system
DE19725953A1 (en) * 1997-06-19 1998-12-24 Schaeffler Waelzlager Ohg High-pressure cleaning unit with swashplate driving piston
DE19809592B4 (en) * 1998-03-06 2007-09-13 Robert Bosch Gmbh piston pump
US8011289B2 (en) * 2006-01-13 2011-09-06 Bwi Company Limited S.A. Half-sleeved and sleeveless plastic piston pumps
DE102010032058A1 (en) * 2010-07-23 2012-01-26 Robert Bosch Gmbh piston unit
DE102011010278A1 (en) * 2011-02-04 2012-08-09 Robert Bosch Gmbh Piston arrangement of a hydraulic piston machine and method for its production

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7105899U (en) * 1971-02-17 1971-07-01 Teldix Gmbh HIGH PRESSURE PISTON PUMP
JPS55161981A (en) * 1979-06-01 1980-12-16 Diesel Kiki Co Ltd Compressor with rotary swash plate
JPS5786580A (en) * 1980-11-19 1982-05-29 Toyoda Autom Loom Works Ltd Piston for swash plate type compressor
US4679994A (en) * 1981-03-09 1987-07-14 Allied Corporation Piston vacuum pump
US4519300A (en) * 1982-04-05 1985-05-28 Caterpillar Tractor Co. Filled piston with central oil tube
JP2692044B2 (en) * 1988-11-02 1997-12-17 工業技術院長 Piston pump for water

Also Published As

Publication number Publication date
ATE171246T1 (en) 1998-10-15
EP0688952B1 (en) 1998-09-16
EP0688952A1 (en) 1995-12-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee