EP1595486A3 - The air purging of a liquid dispensing system of a surface cleaner - Google Patents

The air purging of a liquid dispensing system of a surface cleaner Download PDF

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Publication number
EP1595486A3
EP1595486A3 EP05252872A EP05252872A EP1595486A3 EP 1595486 A3 EP1595486 A3 EP 1595486A3 EP 05252872 A EP05252872 A EP 05252872A EP 05252872 A EP05252872 A EP 05252872A EP 1595486 A3 EP1595486 A3 EP 1595486A3
Authority
EP
European Patent Office
Prior art keywords
valve
fluid flow
air purging
dispensing system
flow path
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.)
Withdrawn
Application number
EP05252872A
Other languages
German (de)
French (fr)
Other versions
EP1595486A2 (en
Inventor
Bruce F. Field
Joseph L. Pouliot
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.)
Tennant Co
Original Assignee
Tennant Co
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 Tennant Co filed Critical Tennant Co
Publication of EP1595486A2 publication Critical patent/EP1595486A2/en
Publication of EP1595486A3 publication Critical patent/EP1595486A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/03—Floor surfacing or polishing machines characterised by having provisions for supplying cleaning or polishing agents
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4088—Supply pumps; Spraying devices; Supply conduits
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4097—Means for exhaust-air diffusion; Exhaust-air treatment, e.g. air purification; Means for sound or vibration damping

Abstract

A surface cleaner (110) includes a liquid dispensing system (100) comprising a fluid flow path (226) configured to receive a flow of liquid (such as 216), a pump (228), an air purging component (360), and a valve actuator (374). The pump is in line with the fluid flow path and is configured to drive the flow of liquid through the fluid flow path. The air purging component includes an inlet (362) in line with the fluid flow path, an outlet (364), an airflow path (366) connecting the inlet and the outlet, and a valve (368) in line with the airflow path. The valve includes an open position in which the airflow path is open between the inlet and the outlet and a closed position in which the airflow path is closed between the inlet and the outlet. The valve actuator is connected to the valve and is configured to bias the valve in the open position when air is detected in the fluid flow path.
Figure imgaf001
EP05252872A 2004-05-10 2005-05-10 The air purging of a liquid dispensing system of a surface cleaner Withdrawn EP1595486A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56976104P 2004-05-10 2004-05-10
US569761P 2004-05-10

Publications (2)

Publication Number Publication Date
EP1595486A2 EP1595486A2 (en) 2005-11-16
EP1595486A3 true EP1595486A3 (en) 2008-02-06

Family

ID=34941231

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05252872A Withdrawn EP1595486A3 (en) 2004-05-10 2005-05-10 The air purging of a liquid dispensing system of a surface cleaner

Country Status (1)

Country Link
EP (1) EP1595486A3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114652229A (en) * 2022-05-05 2022-06-24 北京顺造科技有限公司 Wet surface cleaning apparatus and method of operating the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5287590A (en) * 1992-09-02 1994-02-22 Yonkers Robert A Wet vacuum/extractor with vacuum priming system
US5920955A (en) * 1996-07-12 1999-07-13 Shop Vac Corporation Self-evacuating vacuum cleaner
US6286180B1 (en) * 1995-11-06 2001-09-11 Bissell Homecare, Inc. Upright water extraction cleaning machine pump priming

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5287590A (en) * 1992-09-02 1994-02-22 Yonkers Robert A Wet vacuum/extractor with vacuum priming system
US6286180B1 (en) * 1995-11-06 2001-09-11 Bissell Homecare, Inc. Upright water extraction cleaning machine pump priming
US5920955A (en) * 1996-07-12 1999-07-13 Shop Vac Corporation Self-evacuating vacuum cleaner

Also Published As

Publication number Publication date
EP1595486A2 (en) 2005-11-16

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