EP1050633A3 - Improvement regarding the flushing reliability of a urinal - Google Patents

Improvement regarding the flushing reliability of a urinal Download PDF

Info

Publication number
EP1050633A3
EP1050633A3 EP00660082A EP00660082A EP1050633A3 EP 1050633 A3 EP1050633 A3 EP 1050633A3 EP 00660082 A EP00660082 A EP 00660082A EP 00660082 A EP00660082 A EP 00660082A EP 1050633 A3 EP1050633 A3 EP 1050633A3
Authority
EP
European Patent Office
Prior art keywords
urinal
flushing
sensor
reliability
piezoelectric crystal
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
EP00660082A
Other languages
German (de)
French (fr)
Other versions
EP1050633A2 (en
EP1050633B1 (en
Inventor
Ari Toivonen
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.)
Oras Oy
Original Assignee
Oras Oy
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 Oras Oy filed Critical Oras Oy
Publication of EP1050633A2 publication Critical patent/EP1050633A2/en
Publication of EP1050633A3 publication Critical patent/EP1050633A3/en
Application granted granted Critical
Publication of EP1050633B1 publication Critical patent/EP1050633B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D13/00—Urinals ; Means for connecting the urinal to the flushing pipe and the wastepipe; Splashing shields for urinals
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/10—Special constructions of flushing devices, e.g. closed flushing system operated electrically, e.g. by a photo-cell; also combined with devices for opening or closing shutters in the bowl outlet and/or with devices for raising/or lowering seat and cover and/or for swiveling the bowl
    • E03D5/105—Special constructions of flushing devices, e.g. closed flushing system operated electrically, e.g. by a photo-cell; also combined with devices for opening or closing shutters in the bowl outlet and/or with devices for raising/or lowering seat and cover and/or for swiveling the bowl touchless, e.g. using sensors

Abstract

This invention relates to a method for maintaining the reliable operation of a sensor detecting a need for flushing a urinal (10). According to the invention, urine stone and/or other such dirt adhered over the area of the flushing-need detecting sensor within the liquid basin of the urinal (10) is removed by means of a vibrator operating over this particular area. In a preferred case, the sensor comprises for example a piezoelectric crystal. In one embodiment of the invention, the sensor is adapted to vibrate by means of a piezoelectric crystal. In a second preferred embodiment, said piezoelectric crystal is set in the immediate vicinity of the sensor, thereby removing the dirt.
EP00660082A 1999-05-07 2000-05-04 Improvement regarding the flushing reliability of a urinal Expired - Lifetime EP1050633B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI991056 1999-05-07
FI991056A FI106571B (en) 1999-05-07 1999-05-07 Improving rinsing safety at a urinal

Publications (3)

Publication Number Publication Date
EP1050633A2 EP1050633A2 (en) 2000-11-08
EP1050633A3 true EP1050633A3 (en) 2001-09-26
EP1050633B1 EP1050633B1 (en) 2003-04-16

Family

ID=8554621

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00660082A Expired - Lifetime EP1050633B1 (en) 1999-05-07 2000-05-04 Improvement regarding the flushing reliability of a urinal

Country Status (5)

Country Link
EP (1) EP1050633B1 (en)
AT (1) ATE237719T1 (en)
DE (1) DE60002116T2 (en)
ES (1) ES2195849T3 (en)
FI (1) FI106571B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20040212A1 (en) * 2004-04-09 2004-07-09 Ceramica Flaminia S P A WATER DRAIN GROUP FOR SANITARY COMPONENTS

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4893361A (en) * 1987-12-22 1990-01-16 Burns Paul H Drain trap ultrasonic vibration cleaning apparatus
US5035140A (en) * 1988-11-03 1991-07-30 The Boeing Company Self cleaning liquid level detector
JPH04366241A (en) * 1991-06-14 1992-12-18 Honda Electron Co Ltd Ultrasonic-applied toilet bowl
DE4306457A1 (en) * 1993-03-02 1994-09-08 Juergen Kuhfus Urinal with flushing device
US5889209A (en) * 1997-12-18 1999-03-30 The Regents Of The University Of California Method and apparatus for preventing biofouling of aquatic sensors

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI99265C (en) 1996-03-27 1998-02-10 Oras Oy Method and apparatus for flushing a urinal

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4893361A (en) * 1987-12-22 1990-01-16 Burns Paul H Drain trap ultrasonic vibration cleaning apparatus
US5035140A (en) * 1988-11-03 1991-07-30 The Boeing Company Self cleaning liquid level detector
JPH04366241A (en) * 1991-06-14 1992-12-18 Honda Electron Co Ltd Ultrasonic-applied toilet bowl
DE4306457A1 (en) * 1993-03-02 1994-09-08 Juergen Kuhfus Urinal with flushing device
US5889209A (en) * 1997-12-18 1999-03-30 The Regents Of The University Of California Method and apparatus for preventing biofouling of aquatic sensors

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 017, no. 244 (M - 1410) 17 May 1993 (1993-05-17) *

Also Published As

Publication number Publication date
FI106571B (en) 2001-02-28
EP1050633A2 (en) 2000-11-08
FI991056A0 (en) 1999-05-07
ATE237719T1 (en) 2003-05-15
EP1050633B1 (en) 2003-04-16
DE60002116T2 (en) 2004-02-05
DE60002116D1 (en) 2003-05-22
FI991056A (en) 2000-11-08
ES2195849T3 (en) 2003-12-16

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