CA2603587A1 - System for detecting a container or contents of the container - Google Patents

System for detecting a container or contents of the container Download PDF

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Publication number
CA2603587A1
CA2603587A1 CA002603587A CA2603587A CA2603587A1 CA 2603587 A1 CA2603587 A1 CA 2603587A1 CA 002603587 A CA002603587 A CA 002603587A CA 2603587 A CA2603587 A CA 2603587A CA 2603587 A1 CA2603587 A1 CA 2603587A1
Authority
CA
Canada
Prior art keywords
container
emitter
receiver
diffuser
capacitance
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
CA002603587A
Other languages
French (fr)
Other versions
CA2603587C (en
Inventor
Imre J. Dancs
Jeffrey L. Harwig
John A. Heathcock
Dennis W. Gruber
Eric B. Gach
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.)
SC Johnson and Son Inc
Original Assignee
S. C. Johnson & Son, Inc.
Imre J. Dancs
Jeffrey L. Harwig
John A. Heathcock
Dennis W. Gruber
Eric B. Gach
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 S. C. Johnson & Son, Inc., Imre J. Dancs, Jeffrey L. Harwig, John A. Heathcock, Dennis W. Gruber, Eric B. Gach filed Critical S. C. Johnson & Son, Inc.
Publication of CA2603587A1 publication Critical patent/CA2603587A1/en
Application granted granted Critical
Publication of CA2603587C publication Critical patent/CA2603587C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G01F23/22—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/26—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • G01F23/268—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors mounting arrangements of probes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/02—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air by heating or combustion
    • A61L9/03—Apparatus therefor
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M1/00—Stationary means for catching or killing insects
    • A01M1/20—Poisoning, narcotising, or burning insects
    • A01M1/2022—Poisoning or narcotising insects by vaporising an insecticide
    • A01M1/2061—Poisoning or narcotising insects by vaporising an insecticide using a heat source
    • A01M1/2077—Poisoning or narcotising insects by vaporising an insecticide using a heat source using an electrical resistance as heat source
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/02—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air by heating or combustion
    • A61L9/03—Apparatus therefor
    • A61L9/037—Apparatus therefor comprising a wick
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
    • A61L9/12—Apparatus, e.g. holders, therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
    • A61L9/12—Apparatus, e.g. holders, therefor
    • A61L9/127—Apparatus, e.g. holders, therefor comprising a wick
    • 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
    • G01F23/22—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/26—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • 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
    • G01F23/22—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/26—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • G01F23/265—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors for discrete levels
    • 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
    • G01F23/22—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • 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
    • G01F23/22—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels

Abstract

A system for detecting a container (58) or contents of the container. The system includes a diffuser (52) for retaining the container, where the container is configured to hold an active material therein and may include a wick (60) extending therefrom. The system further includes a sensor positioned to detect, for example, the container retained in the diffuser and/or the contents of the container retained in the diffuser.

Claims (20)

1. A system for detecting a container or contents of the container, the system comprising:

a diffuser for retaining the container, the container configured to hold an active material therein and having a wick extending therefrom; and a sensor positioned to detect at least one of the container retained in the diffuser and the contents of the container retained in the diffuser.
2. The system of claim 1, wherein the sensor is a capacitance-type sensor that detects a change in capacitance of an area adjacent the sensor.
3. The system of claim 1, wherein the sensor comprises a light emitter and a light receiver disposed adjacent the wick when the container is retained in the diffuser.
4. The system of claim 3, wherein the light emitter is a light emitting diode and the light receiver is a phototransistor.
5. The system of claim 1, wherein the sensor comprises a light emitter and a light receiver disposed adjacent the container when the container is retained in the diffuser.
6. The system of claim 5, wherein the light emitter is a light emitting diode and the light receiver is a phototransistor.
7. A system for detecting a container or contents of the container, the system comprising:

a diffuser for retaining the container, the container configured to hold an active material therein;

an emitter disposed adjacent the container; and a receiver disposed adjacent the container;

wherein the emitter and the receiver are operatively connected to detect at least one of the container retained in the diffuser and the contents of the container retained in the diffuser.
8. The system of claim 7, wherein the emitter and receiver are positioned such that when the receiver does not receive a detectable signal from the emitter, at least one of an empty or absent condition is indicated by the system.
9. The system of claim 8, wherein the emitter is disposed adjacent the container below a fluid level in the container and the receiver is disposed adjacent the container below the fluid level of the container.
10. The system of claim 7, wherein the emitter and the receiver are aligned with one another such that when the receiver receives a detectable signal from the emitter, at least one of an absent container or an empty container is indicated by the system.
11. The system of claim 10, wherein one of the emitter and the receiver is disposed adjacent the container below a fluid level in the container and the other of the emitter and the receiver is disposed adjacent the container above the fluid level of the container.
12. The system of claim 7, wherein the emitter is a light emitting diode and the receiver is a phototransistor.
13. The system of claim 7, wherein the container further comprises a wick extending therefrom.
14. ~A system for detecting a container or contents of the container, the system comprising:

a diffuser for retaining the container, the container configured to hold an active material therein and having a wick extending therefrom;

an emitter disposed adjacent the wick; and a receiver disposed adjacent the wick;

wherein the emitter and receiver are operatively connected to detect at least one of the container retained in the diffuser and the contents of the container retained in the diffuser.
15.~The system of claim 14, wherein the emitter and receiver are positioned such that when the receiver does not receive a detectable signal from the emitter, a condition that at least one of the container contains the active material, the container does not contain the active material, and the container is absent from the diffuser, is indicated by the system.
16. ~The system of claim 14, wherein the emitter and receiver are positioned such that when the receiver receives a detectable signal from the emitter, a condition that at least one of the container contains the active material, the container does not contain the active material, and the container is absent from the diffuser, is indicated by the system.
17. ~A system for detecting a container or contents of the container, the system comprising:

a diffuser for retaining the container, the container configured to hold an active material therein and having a wick extending therefrom;

a capacitance element disposed adjacent the wick; and a capacitance sensor for sensing a change in capacitance of the capacitance element.
18. ~The system of claim 17, wherein the capacitance element comprises two pieces of foil disposed adjacent the wick and opposing one another and wherein the capacitance sensor and the capacitance element are operatively connected to detect a change in capacitance between the two pieces of foil.
19. ~The system of claim 18, wherein a wet wick increases capacitance in the capacitance element, thereby indicating that the container has active material therein and wherein a dry or missing wick nominally increases capacitance in the capacitance element, thereby indicating that the container is absent or empty.
20. ~The system of claim 17, wherein the capacitance element comprises a tubular foil structure disposed around and adjacent the wick and wherein the capacitance sensor and the capacitance element are operatively connected to detect a change in capacitance in the tubular foil structure.
CA2603587A 2005-03-31 2006-03-30 System for detecting a container or contents of the container Expired - Fee Related CA2603587C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/096,920 US7589340B2 (en) 2005-03-31 2005-03-31 System for detecting a container or contents of the container
US11/096,920 2005-03-31
PCT/US2006/011872 WO2006105382A1 (en) 2005-03-31 2006-03-30 System for detecting a container or contents of the container

Publications (2)

Publication Number Publication Date
CA2603587A1 true CA2603587A1 (en) 2006-10-05
CA2603587C CA2603587C (en) 2011-01-04

Family

ID=36650200

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2603587A Expired - Fee Related CA2603587C (en) 2005-03-31 2006-03-30 System for detecting a container or contents of the container

Country Status (9)

Country Link
US (2) US7589340B2 (en)
EP (2) EP1866000B1 (en)
KR (1) KR20080007554A (en)
AT (1) ATE539774T1 (en)
AU (1) AU2006230457B2 (en)
CA (1) CA2603587C (en)
ES (2) ES2402676T3 (en)
MX (1) MX2007012095A (en)
WO (1) WO2006105382A1 (en)

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ATE539774T1 (en) 2012-01-15
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EP1985316B1 (en) 2013-01-09
EP1985316A1 (en) 2008-10-29

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