GB2476820A - Drinking water level alarm lamp - Google Patents

Drinking water level alarm lamp Download PDF

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Publication number
GB2476820A
GB2476820A GB201000320A GB201000320A GB2476820A GB 2476820 A GB2476820 A GB 2476820A GB 201000320 A GB201000320 A GB 201000320A GB 201000320 A GB201000320 A GB 201000320A GB 2476820 A GB2476820 A GB 2476820A
Authority
GB
United Kingdom
Prior art keywords
water
drinking
alarm lamp
level alarm
water level
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
GB201000320A
Other versions
GB201000320D0 (en
GB2476820B (en
Inventor
Ying-Kuan Ho
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.)
Ying Yeeh Enterprise Co Ltd
Original Assignee
Ying Yeeh Enterprise Co Ltd
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 Ying Yeeh Enterprise Co Ltd filed Critical Ying Yeeh Enterprise Co Ltd
Priority to GB201000320A priority Critical patent/GB2476820B/en
Publication of GB201000320D0 publication Critical patent/GB201000320D0/en
Publication of GB2476820A publication Critical patent/GB2476820A/en
Application granted granted Critical
Publication of GB2476820B publication Critical patent/GB2476820B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00—Housing animals; Equipment therefor
    • A01K1/02—Pigsties; Dog-kennels; Rabbit-hutches or the like
    • A01K1/035—Devices for use in keeping domestic animals, e.g. fittings in housings or dog beds
    • A01K1/0356—Feeding or drinking devices associated with cages
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K39/00—Feeding or drinking appliances for poultry or other birds
    • A01K39/02—Drinking appliances
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K39/00—Feeding or drinking appliances for poultry or other birds
    • A01K39/02—Drinking appliances
    • A01K39/0213—Nipple drinkers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K7/00—Watering equipment for stock or game
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K7/00—Watering equipment for stock or game
    • A01K7/02—Automatic devices ; Medication dispensers
    • A01K7/06—Automatic devices ; Medication dispensers actuated by the animal
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/32—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements
    • G01F23/36—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements using electrically actuated indicating means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/32—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements
    • G01F23/36—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements using electrically actuated indicating means
    • G01F23/363—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements using electrically actuated indicating means using electromechanically actuated indicating means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/64—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
    • G01F23/68—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using electrically actuated indicating means
    • G01F23/70—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using electrically actuated indicating means for sensing changes in level only at discrete points
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/64—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
    • G01F23/68—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using electrically actuated indicating means
    • G01F23/70—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using electrically actuated indicating means for sensing changes in level only at discrete points
    • G01F23/703—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using electrically actuated indicating means for sensing changes in level only at discrete points using electromechanically actuated indicating means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/76—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats characterised by the construction of the float
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/18—Switches operated by change of liquid level or of liquid density, e.g. float switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/02—Switches operated by change of position, inclination or orientation of the switch itself in relation to gravitational field

Abstract

A drinking-water level alarm lamp 2 for being placed in a water feeder 1 is disclosed. The drinking-water level alarm lamp includes a watertight casing including therein a lamp 22, a rolling ball tilt switch 23, a battery 24 and a weight 25. When the water feeder contains drinking water, the drinking-water level alarm lamp half floats above the water in virtue of inner space of the watertight casing and the weight. When the water feeder contains no drinking water, the drinking-water level alarm lamp lies at a bottom of the water feeder. The drinking-water level alarm lamp uses presence and absence of the drinking water in and from the water feeder to change a position of the drinking-water level alarm lamp, so that the rolling ball tilt switch in the drinking-water level alarm lamp is accordingly switched to turn on or off the lamp. The drinking water level alarm lamp may be used to indicate low water level in a pet / animal water feeder.

Description

DRINKING-WATER LEVEL ALARM LAMP
BACKGROUND OF THE INVENTION
1. Technical Field
The present invention relates to a drinking-water level alarm lamp for being provided to a pet water feeder to conveniently indicate a low level of drinking water in the water feeder by illuminating.
2. Description of Related Art
A pet water feeder allows pets to lick drinking water from a water outlet thereof. The drinking water in the water feeder is clean for drinking and is thus usually limpid. Consequently, it is difficult for a rearer to correctly tell whetehr there is enough drinking water in the water feeder by observing from a far plcae or by taking a glance. In case of mistelling, which may frequently happen, the rearer can fail to add drinking water timely and cause pets to suffer thirst. For preventing this, the rearer has to check the water feeder closely so as to correctly tell whether there is enough drinking water in the water feeder.
However, when it comes to a rearer who raises plural pets at the same time or when it comes to a pet store, it is extremely inconvenient and time-consuming to check many water feeders one by one. Especially, in a dusky environment, such as at nighttime or in the occasion of power failure, it is even more difficult to observe and tell the water level in water feeders. Besides, artificial strong and focused light for illuminating water feeders and facilitating observation of water level at night may bring adverse effect to pets' natural biological rhythm.
BRIEF SUMMARY OF THE INVENTION
The inventor, in view of the shortcomings of the existing approaches to telling water level in a water feeder that is attached to a pet cage, has conducted research and innovation and eventually proposes a drinking-water level alarm lamp of the present invention which allows distant observation and determination of whether there is enough drinking water in a water feeder.
The primary objective of the present invention is to provide a drinking-water level alarm lamp for being placed in a water feeder. The drinking-water level alarm lamp includes a watertight casing including therein a lamp, a rolling ball tilt switch, a battery and a weight.
When the water feeder contains drinking water, the drinking-water level alarm lamp half floats above the water in virtue of inner space of the watertight casing and the weight. When the water feeder contains no drinking water, the drinking-water level alarm lamp lies at a bottom of the water feeder. The present invention uses presence and absence of the drinking water in and from the water feeder to change a position of the drinking-water level alarm lamp, so that the rolling ball tilt switch in the drinking-water level alarm lamp is accordingly switched to turn on or off the lamp in a preset manner, thereby informing a rearer of whether the water feeder contains the drinking water or not.
BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS
The invention as well as a preferred mode of use and advantages thereof will be best understood by referring to the following detailed description of the illustrative embodiments in conjunction with the accompanying drawings, wherein: FIG. 1, according to a first embodiment, shows a drinking-water level alarm lamp of the present invention applied to a flat-bottomed water feeder that contains enough water and thus being inactivated; FIG. 2, according to the first embodiment, shows the drinking-water level alarm lamp of the present invention applied to the flat-bottomed water feeder that does not contain enough water and thus being activated; FIG. 3, according to a second embodiment, shows a drinking-Water level alarm lamp of the present invention applied to a flat-bottomed water feeder that contains enough water and thus being activated; FIG. 4, according to the second embodiment, shows the drinking-water level alarm lamp of the present invention applied to the flat-bottomed water feeder that does not contain enough water and thus being inactivated; FIG. 5, according to the first embodiment, shows the drinking-water level alarm lamp of the present invention applied to a bottom-pointed water feeder that contains enough water and thus being inactivated; FIG. 6, according to the first embodiment, shows the drinking-water level alarm lamp of the present invention applied to the bottom-pointed water feeder that does not contain enough water and thus being activated; FIG. 7, according to the second embodiment, shows the drinking-water level alarm lamp of the present invention applied to a bottom-pointed water feeder that contains enough water and thus being activated; and FIG. 8, according to the second embodiment, shows the drinking-water level alarm lamp of the present invention applied to the bottom-pointed water feeder that does not contain enough water and thus being inactivated.
DETAILED DESCRIPTION OF THE INVENTION
According to the present invention, a drinking-water level alarm lamp 2, as shown in FIGS. 1 and 2, is configured to be placed into a water feeder 1. In the present embodiment, the water feeder 1 is positioned with respect to a pet cage by means of a mounting hook 3 and the water feeder 1 has a water outlet 11 equipped with a movable assembly 12 that is composed of a weight 13 and a steel ball 14.
The movable assembly 12 is such configured that it gives water when the steel ball 14 and the weight 13 are lift and stops giving water when the weight 13 and the steel ball 14 falls by gravity. A lid 4 is mounted atop the water feeder 1 for closing the water feeder 1.
Therein, the drinking-water level alarm lamp 2 is formed by a watertight casing 21 including therein a lamp 22, a rolling ball tilt switch 23 that is switched by vibration or tile which moves a ball therein, a battery 24 and a weight 25.
Referring to FIGS. 1 and 2, in a first embodiment of the present invention, when the water feeder 1 contains enough drinking water 5, the drinking-water level alarm lamp 2 half floats above the drinking water 5 in virtue of inner space of the watertight casing 21 and the weight 25, and at this time the rolling ball tilt switch 23 is inactivated, as shown in FIG. 1. Contrarily, when the water feeder 1 contains no drinking water 5, the drinking-water level alarm lamp 2 lies horizontally at a bottom of the water feeder 1 and at this time, the rolling ball tilt switch 23 is activated to light up the lamp 22, as shown in FIG. 2.
Referring to FIGS. 3 and 4, in a second embodiment of the present invention, when the water feeder 1 contains enough drinking water 5, the drinking-water level alarm lamp 2 half floats above the drinking water 5 in virtue of inner space of the watertight casing 21 and the weight 25, and at this time the rolling ball tilt switch 23 is activated to light up the lamp 22, as shown in FIG. 3. Contrarily, when the water feeder 1 contains no drinking water 5, the drinking-water level alarm lamp 2 lies horizontally at a bottom of the water feeder 1 and at this time, the rolling ball tilt switch 23 is inactivated, as shown in FIG. 4.
Referring to FIGS. 5 and 6, in a third embodiment of the present invention, when the water feeder 1' contains enough drinking water 5, the drinking-water level alarm lamp 2 half floats above the drinking water 5 in virtue of inner space of the watertight casing 21 and the weight 25, and at this time the rolling ball tilt switch 23 is inactivated, as shown in FIG. 5. Contrarily, when the water feeder 1' contains no drinking water 5, the drinking-water level alarm lamp 2 lies slantwise at a bottom of the water feeder 1' and at this time, the rolling ball tilt switch 23 is activated to light up the lamp 22, as shown in FIG. 6.
Referring to FIGS. 7 and 8, in a fourth embodiment of the present invention, when the water feeder 1' contains enough drinking water 5, the drinking-water level alarm lamp 2 half floats above the drinking water 5 in virtue of inner space of the watertight casing 21 and the weight 25, and at this time the rolling ball tilt switch 23 is activated to light up the lamp 22, as shown in FIG. 7. Contrarily, when the water feeder 1' contains no drinking water 5, the drinking-water level alarm lamp 2 lies slantwise at a bottom of the water feeder 1' arid at this time, the rolling ball tilt switch 23 is inactivated, as shown in FIG. 8.
Thereby, a rearer can easily and correctly tell whether there is drinking water 5 in the water feeder 1 or 1' distantly by observing whether the lamp 22 is lighted up, regardless of daytime or nighttime.

Claims (2)

  1. What is claimed is: 1. A drinking-water level alarm lamp, comprising a watertight casing including therein a lamp, a rolling ball tilt switch, a battery and a weight; the drinking-water level alarm lamp being configured to be placed in a water feeder so that when the water feeder contains drinking water, the drinking-water level alarm lamp half floats above the drinking water in virtue of inner space of the watertight casing and the weight, and when the water feeder does not contain drinking water, the drinking-water level alarm lamp lies horizontally at a bottom of the water feeder; whereby, presence and absence of the drinking water in and from the water feeder change a position of the drinking-water level alarm lamp, so that the rolling ball tilt switch in the drinking-water level alarm lamp is accordingly switched to turn on or off the lamp in a preset manner, thereby informing a rearer of whether the water feeder contains the drinking water or not.
  2. 2. A drinking-water level alarm lamp substantially as hereinbefore described with reference to and as shown in the accompanying drawings.
GB201000320A 2010-01-11 2010-01-11 A pet water feeder having a drinking-water level alarm lamp Expired - Fee Related GB2476820B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB201000320A GB2476820B (en) 2010-01-11 2010-01-11 A pet water feeder having a drinking-water level alarm lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201000320A GB2476820B (en) 2010-01-11 2010-01-11 A pet water feeder having a drinking-water level alarm lamp

Publications (3)

Publication Number Publication Date
GB201000320D0 GB201000320D0 (en) 2010-02-24
GB2476820A true GB2476820A (en) 2011-07-13
GB2476820B GB2476820B (en) 2012-03-21

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Family Applications (1)

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GB201000320A Expired - Fee Related GB2476820B (en) 2010-01-11 2010-01-11 A pet water feeder having a drinking-water level alarm lamp

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013117297A1 (en) * 2012-02-06 2013-08-15 Bonnel Technologie Gmbh Device for monitoring a liquid level
CN103907546A (en) * 2014-03-28 2014-07-09 福建省华龙集团饲料有限公司 Drinking device for duck facility breeding drinking line

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7716689U1 (en) * 1977-05-26 1977-10-20 Elektronik 2000 Gmbh, 2000 Hamburg SIGNAL DEVICE FOR DISPLAYING A PRESETED LIQUID LEVEL
FR2528996A1 (en) * 1982-06-21 1983-12-23 Gensollen Michel Liq. level detector with tilting float - contains moving steel ball causing tilting action for operation of microswitches signalling position
EP0837304A1 (en) * 1996-10-17 1998-04-22 Christof Ruhnke Apparatus for monitoring the level of a liquid medium in a container, especially for a bathtub
US5767775A (en) * 1994-02-25 1998-06-16 Shukla; Ashok K. Unanchored sensor and level sensor
US5845600A (en) * 1998-03-27 1998-12-08 Mendes; Carlos I. Pet water dispenser with a low water level condition indicator
US6318291B1 (en) * 1999-12-08 2001-11-20 Michael Wolanski Pet bowl with means to notify a pet owner that the bowl is empty
US20030034895A1 (en) * 2001-08-15 2003-02-20 Reich Ronald S. Animal drinking apparatus with low level sensing device
JP2004317199A (en) * 2003-04-14 2004-11-11 Hoshizaki Electric Co Ltd Stock detection switch
CN2798294Y (en) * 2005-02-18 2006-07-19 杜虎荣 Turnover float ball liquid level switch
CN201061222Y (en) * 2007-06-05 2008-05-21 陈文田 Pet drinking device with prompt function

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7716689U1 (en) * 1977-05-26 1977-10-20 Elektronik 2000 Gmbh, 2000 Hamburg SIGNAL DEVICE FOR DISPLAYING A PRESETED LIQUID LEVEL
FR2528996A1 (en) * 1982-06-21 1983-12-23 Gensollen Michel Liq. level detector with tilting float - contains moving steel ball causing tilting action for operation of microswitches signalling position
US5767775A (en) * 1994-02-25 1998-06-16 Shukla; Ashok K. Unanchored sensor and level sensor
EP0837304A1 (en) * 1996-10-17 1998-04-22 Christof Ruhnke Apparatus for monitoring the level of a liquid medium in a container, especially for a bathtub
US5845600A (en) * 1998-03-27 1998-12-08 Mendes; Carlos I. Pet water dispenser with a low water level condition indicator
US6318291B1 (en) * 1999-12-08 2001-11-20 Michael Wolanski Pet bowl with means to notify a pet owner that the bowl is empty
US20030034895A1 (en) * 2001-08-15 2003-02-20 Reich Ronald S. Animal drinking apparatus with low level sensing device
JP2004317199A (en) * 2003-04-14 2004-11-11 Hoshizaki Electric Co Ltd Stock detection switch
CN2798294Y (en) * 2005-02-18 2006-07-19 杜虎荣 Turnover float ball liquid level switch
CN201061222Y (en) * 2007-06-05 2008-05-21 陈文田 Pet drinking device with prompt function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013117297A1 (en) * 2012-02-06 2013-08-15 Bonnel Technologie Gmbh Device for monitoring a liquid level
CN103907546A (en) * 2014-03-28 2014-07-09 福建省华龙集团饲料有限公司 Drinking device for duck facility breeding drinking line
CN103907546B (en) * 2014-03-28 2016-04-27 福建省华龙集团饲料有限公司 A kind of drinking device for duck facility cultivation drinking-water line

Also Published As

Publication number Publication date
GB201000320D0 (en) 2010-02-24
GB2476820B (en) 2012-03-21

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PCNP Patent ceased through non-payment of renewal fee

Effective date: 20200111