GB764512A - Adjustable control devices for automatic vacuum cleaners - Google Patents

Adjustable control devices for automatic vacuum cleaners

Info

Publication number
GB764512A
GB764512A GB174/55A GB17455A GB764512A GB 764512 A GB764512 A GB 764512A GB 174/55 A GB174/55 A GB 174/55A GB 17455 A GB17455 A GB 17455A GB 764512 A GB764512 A GB 764512A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
valve
pressure
contact
suction
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
Application number
GB174/55A
Other languages
English (en)
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.)
Electrolux Corp
Original Assignee
Electrolux 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 US407096A external-priority patent/US2758670A/en
Priority claimed from US421481A external-priority patent/US2741328A/en
Application filed by Electrolux Corp filed Critical Electrolux Corp
Publication of GB764512A publication Critical patent/GB764512A/en
Expired 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
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/19—Means for monitoring filtering operation
    • 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
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/0072—Mechanical means for controlling the suction or for effecting pulsating action
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/34—Indicator and controllers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Control Of Fluid Pressure (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
GB174/55A 1954-01-14 1955-01-04 Adjustable control devices for automatic vacuum cleaners Expired GB764512A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US403977A US2715946A (en) 1954-01-14 1954-01-14 Adjustable control for automatic vacuum cleaners
US407096A US2758670A (en) 1954-01-29 1954-01-29 Adjustable control for automatic vacuum cleaners
US421481A US2741328A (en) 1954-04-07 1954-04-07 Automatic control unit for vacuum cleaners
US424547A US2714425A (en) 1954-01-14 1954-04-21 Automatic vacuum cleaner

Publications (1)

Publication Number Publication Date
GB764512A true GB764512A (en) 1956-12-28

Family

ID=27503495

Family Applications (1)

Application Number Title Priority Date Filing Date
GB174/55A Expired GB764512A (en) 1954-01-14 1955-01-04 Adjustable control devices for automatic vacuum cleaners

Country Status (5)

Country Link
US (2) US2715946A (de)
DE (2) DE1428391B2 (de)
FR (1) FR1120551A (de)
GB (1) GB764512A (de)
NL (2) NL97200C (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0327937A2 (de) * 1988-02-09 1989-08-16 Interlava AG Schutzschaltung für einen elektromotorisch angetriebenen Flüssigkeitssauger

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3172743A (en) * 1965-03-09 Commercial vacuum cleaners
US2814358A (en) * 1955-08-31 1957-11-26 Electrolux Corp Automatic vacuum cleaners
US3304385A (en) * 1964-06-10 1967-02-14 Robertshaw Controls Co Pneumatic actuator with folded diaphragm
SE409647B (sv) * 1978-01-11 1979-09-03 Electrolux Ab Indikatoranordning
NL220480A (de) * 1978-10-19
DE3316643A1 (de) * 1983-05-06 1984-11-15 Kaltenbach & Voigt Gmbh & Co, 7950 Biberach Verfahren und vorrichtung zur absaugung von staeuben
ES294958Y (es) * 1986-06-20 1987-11-16 Rovira Trias Jose Unidad de control con membrana de senalizacion y mando automaticos de la descarga de desperdicios, aplicable a limpiadores textiles viajeros
US6571422B1 (en) 2000-08-01 2003-06-03 The Hoover Company Vacuum cleaner with a microprocessor-based dirt detection circuit
EP2175962B1 (de) * 2007-08-08 2022-06-22 Woongjin Coway Co., Ltd. Luftreiniger
CN104647381B (zh) * 2013-11-20 2017-02-08 科沃斯商用机器人有限公司 一种具有真空吸盘的真空吸附机器人

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1715273A (en) * 1927-07-06 1929-05-28 New Haven Sand Blast Company Dust arrester
US2200599A (en) * 1937-01-19 1940-05-14 Edwin G Gaynor Refrigerator control
DE678608C (de) * 1937-07-31 1939-07-19 Hoover Co Anzeigevorrichtung an einem Staubsauger
US2331826A (en) * 1941-06-23 1943-10-12 Edwin B Davenport Pressure actuated switch
DE761793C (de) * 1942-08-19 1953-06-29 Siemens Schuckertwerke A G Liegender Staubsauger mit vorzugsweise zylindrischem Gehaeuse
US2466441A (en) * 1943-09-01 1949-04-05 Bendix Aviat Corp Pressure responsive selector valve
US2477801A (en) * 1945-05-19 1949-08-02 Claude M Hathaway Air pressure switch
US2580643A (en) * 1946-06-12 1952-01-01 Electrolux Corp Pressure responsive control device for vacuum cleaners
US2622399A (en) * 1948-08-05 1952-12-23 David I Babitch Windshield wiper motor
US2641330A (en) * 1950-01-25 1953-06-09 Electrolux Corp Vacuum cleaner
US2569222A (en) * 1950-06-23 1951-09-25 Electrolux Corp Vacuum cleaner
US2646855A (en) * 1950-11-25 1953-07-28 Edgar P Senne Filter replacement mechanism for vacuum cleaners
DE947513C (de) * 1950-11-30 1956-08-16 Electrolux Corp Einrichtung zum Abscheiden von Staub, Schmutz oder aehnlichen Fremdkoerpern aus Luft

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0327937A2 (de) * 1988-02-09 1989-08-16 Interlava AG Schutzschaltung für einen elektromotorisch angetriebenen Flüssigkeitssauger
EP0327937A3 (de) * 1988-02-09 1991-01-23 Interlava AG Schutzschaltung für einen elektromotorisch angetriebenen Flüssigkeitssauger

Also Published As

Publication number Publication date
NL97200C (de)
US2715946A (en) 1955-08-23
FR1120551A (fr) 1956-07-09
DE1186992B (de) 1965-02-11
DE1428391B2 (de) 1970-11-26
DE1428391A1 (de) 1969-05-29
NL193907A (de)
US2714425A (en) 1955-08-02

Similar Documents

Publication Publication Date Title
GB764512A (en) Adjustable control devices for automatic vacuum cleaners
JPS6418061A (en) Air flow velocity selector
JPH07109568B2 (ja) 液位制御装置
GB623033A (en) Improvements in or relating to vacuum cleaners
US2814358A (en) Automatic vacuum cleaners
GB1397614A (en) Article pick-up assembly
US2635635A (en) Diaphragm valve
US2119320A (en) Refrigerator
US2737262A (en) Automatic vacuum cleaner switch
GB591169A (en) Improvements in means for extracting objectionable gases or vapours, contaminated air and the like from kitchens water closets or other compartments
GB688223A (en) Improvements in vacuum supply systems
US2758670A (en) Adjustable control for automatic vacuum cleaners
US2741328A (en) Automatic control unit for vacuum cleaners
US2821592A (en) Pressure actuated switch
GB1427523A (en) Float switches
US2764256A (en) Continuously adjustable control device for automatic vacuum cleaners
GB764208A (en) Improvements relating to suction cleaners
US2732910A (en) ferraris
GB752561A (en) Improvements relating to suction cleaner filter bags
GB571584A (en) Improvements in or relating to suction cleaners
GB724179A (en) Improvements in air filtering devices and suction cleaners
US2654439A (en) Automatic vacuum cleaner
US2817414A (en) Control unit for automatic vacuum cleaners
GB1187446A (en) Vacuum Electric Circuit Breaker
US2683501A (en) Vacuum cleaner