CA2219682C - Aspirateur a evacuation automatique - Google Patents

Aspirateur a evacuation automatique Download PDF

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Publication number
CA2219682C
CA2219682C CA002219682A CA2219682A CA2219682C CA 2219682 C CA2219682 C CA 2219682C CA 002219682 A CA002219682 A CA 002219682A CA 2219682 A CA2219682 A CA 2219682A CA 2219682 C CA2219682 C CA 2219682C
Authority
CA
Canada
Prior art keywords
pump
tank
impeller
vacuum cleaner
assembly
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 - Lifetime
Application number
CA002219682A
Other languages
English (en)
Other versions
CA2219682A1 (fr
Inventor
Robert C. Berfield
Randy L. Buss
Robert L. Crevling
Craig A. Seasholtz
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.)
Shop Vac Corp
Original Assignee
Shop Vac Corp
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
Priority claimed from US08/678,997 external-priority patent/US5850668A/en
Priority claimed from US08/727,318 external-priority patent/US5918344A/en
Priority claimed from US08/802,333 external-priority patent/US5920955A/en
Application filed by Shop Vac Corp filed Critical Shop Vac Corp
Priority to CA002490634A priority Critical patent/CA2490634C/fr
Publication of CA2219682A1 publication Critical patent/CA2219682A1/fr
Application granted granted Critical
Publication of CA2219682C publication Critical patent/CA2219682C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Cette invention se rapporte à un aspirateur comportant d'une part, un moteur électrique d'entraînement d'une turbine à air (74) conçue pour créer l'aspiration et d'autre part, une pompe (104) qui aspire la matière liquide par l'intermédiaire d'un tube d'admission (310) partant du fond d'un réservoir (32) et qui l'expulse dudit réservoir. Cet aspirateur comporte également un ensemble mécanique (144) d'arrêt et de commande prioritaire qui arrête automatiquement le moteur si le niveau du liquide dans le réservoir monte trop. Un utilisateur a cependant la possibilité de s'opposer à un arrêt automatique afin de continuer à extraire par pompage le liquide du réservoir. Un dispositif d'amorçage est disposé dans le réservoir, en communication fluidique avec la pompe, et il est possible d'actionner sélectivement une soupape dans le but d'établir au sein du liquide, dans le dispositif d'amorçage, une pression différentielle qui permette d'amorcer la pompe.
CA002219682A 1996-07-12 1997-07-11 Aspirateur a evacuation automatique Expired - Lifetime CA2219682C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002490634A CA2490634C (fr) 1996-07-12 1997-07-11 Aspirateur a evacuation automatique

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US08/678,997 1996-07-12
US08/678,997 US5850668A (en) 1996-07-12 1996-07-12 Self-evacuating vacuum cleaner
US08/727,318 US5918344A (en) 1996-07-12 1996-10-08 Self-evacuating vacuum cleaner
US08/727,318 1996-10-08
US08/802,333 US5920955A (en) 1996-07-12 1997-02-11 Self-evacuating vacuum cleaner
US08/802,333 1997-02-11
PCT/US1997/012067 WO1998002081A1 (fr) 1996-07-12 1997-07-11 Aspirateur a auto-evacuation

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002490634A Division CA2490634C (fr) 1996-07-12 1997-07-11 Aspirateur a evacuation automatique

Publications (2)

Publication Number Publication Date
CA2219682A1 CA2219682A1 (fr) 1998-01-12
CA2219682C true CA2219682C (fr) 2006-03-21

Family

ID=36101537

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002219682A Expired - Lifetime CA2219682C (fr) 1996-07-12 1997-07-11 Aspirateur a evacuation automatique

Country Status (1)

Country Link
CA (1) CA2219682C (fr)

Also Published As

Publication number Publication date
CA2219682A1 (fr) 1998-01-12

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Legal Events

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MKEX Expiry

Effective date: 20170711