DE69735519D1 - Device for stopping an engine based on liquid delivery in jet scrubber - Google Patents

Device for stopping an engine based on liquid delivery in jet scrubber

Info

Publication number
DE69735519D1
DE69735519D1 DE69735519T DE69735519T DE69735519D1 DE 69735519 D1 DE69735519 D1 DE 69735519D1 DE 69735519 T DE69735519 T DE 69735519T DE 69735519 T DE69735519 T DE 69735519T DE 69735519 D1 DE69735519 D1 DE 69735519D1
Authority
DE
Germany
Prior art keywords
piston
stopping
liquid delivery
engine based
electrode
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
DE69735519T
Other languages
German (de)
Other versions
DE69735519T2 (en
Inventor
Maurizio Magri
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.)
Annovi Reverberi SpA
Original Assignee
Annovi Reverberi SpA
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 Annovi Reverberi SpA filed Critical Annovi Reverberi SpA
Application granted granted Critical
Publication of DE69735519D1 publication Critical patent/DE69735519D1/en
Publication of DE69735519T2 publication Critical patent/DE69735519T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/38—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by piston and cylinder

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Separation Of Particles Using Liquids (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

The device comprises a piston (17) sensitive to the pressure difference between the upstream and downstream side of the valving element for the pressurized water flow to the delivery lance. Said piston (17) is connected, in series therewith, into a low voltage electrical circuit which is closed and respectively opened by the movements of said piston, said movements bringing it into contact with, and respectively withdrawing it from, an electrode (19), an electronic circuit (260) being provided which, in response to contact between the piston (17) and the electrode (19) energizes an electrical switch to open the power circuit of the jet washer electric motor. <IMAGE>
DE69735519T 1996-04-29 1997-03-24 Device for stopping an engine based on liquid delivery in jet scrubber Expired - Fee Related DE69735519T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT96RE000026A IT1287638B1 (en) 1996-04-29 1996-04-29 ENGINE STOP CONTROL DEVICE ACCORDING TO THE DELIVERY OF LIQUID IN HIGH PRESSURE WASHERS
ITRE960026 1996-04-29

Publications (2)

Publication Number Publication Date
DE69735519D1 true DE69735519D1 (en) 2006-05-11
DE69735519T2 DE69735519T2 (en) 2006-08-24

Family

ID=11398865

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69735519T Expired - Fee Related DE69735519T2 (en) 1996-04-29 1997-03-24 Device for stopping an engine based on liquid delivery in jet scrubber

Country Status (4)

Country Link
EP (1) EP0805470B1 (en)
AT (1) ATE321351T1 (en)
DE (1) DE69735519T2 (en)
IT (1) IT1287638B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4278856A (en) * 1979-06-29 1981-07-14 Owens Charles A Fluid pressure indicator switch apparatus
DE3037259C2 (en) * 1980-10-02 1982-09-23 Lutz 4800 Bielefeld Droitsch Device for pressure limitation with self-holding for a liquid delivery device
DE3936155C2 (en) * 1989-10-31 1995-04-13 Kraenzle Josef Device for controlling pumps for liquid conveying systems
IT1253784B (en) * 1991-07-05 1995-08-23 Annovi & Reverberi DEVICE FOR AUTOMATIC STARTING AND STOPPING OF THE MOTOR-PUMP UNIT IN PARTICULAR OF HIGH PRESSURE CLEANERS

Also Published As

Publication number Publication date
DE69735519T2 (en) 2006-08-24
ATE321351T1 (en) 2006-04-15
ITRE960026A1 (en) 1997-10-29
ITRE960026A0 (en) 1996-04-29
EP0805470B1 (en) 2006-03-22
EP0805470A3 (en) 2000-10-25
IT1287638B1 (en) 1998-08-06
EP0805470A2 (en) 1997-11-05

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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