NL193907A - - Google Patents

Info

Publication number
NL193907A
NL193907A NL193907DA NL193907A NL 193907 A NL193907 A NL 193907A NL 193907D A NL193907D A NL 193907DA NL 193907 A NL193907 A NL 193907A
Authority
NL
Netherlands
Application number
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.)
Publication of NL193907A publication Critical patent/NL193907A/xx
Priority claimed from US407096A external-priority patent/US2758670A/en
Priority claimed from US421481A external-priority patent/US2741328A/en

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)
NL193907D 1954-01-14 NL193907A (zh)

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
NL193907A true NL193907A (zh)

Family

ID=27503495

Family Applications (2)

Application Number Title Priority Date Filing Date
NL193907D NL193907A (zh) 1954-01-14
NL97200D NL97200C (zh) 1954-01-14

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL97200D NL97200C (zh) 1954-01-14

Country Status (5)

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

Families Citing this family (11)

* 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 (zh) * 1978-10-19
DE3316643C2 (de) * 1983-05-06 1987-02-12 Kaltenbach & Voigt Gmbh & Co, 7950 Biberach Verfahren und Vorrichtung zur Absaugung von Stäuben
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
DE3803826A1 (de) * 1988-02-09 1989-08-17 Gerhard Kurz Schutzschaltung fuer einen elektromotorisch angetriebenen fluessigkeitssauger
US6571422B1 (en) 2000-08-01 2003-06-03 The Hoover Company Vacuum cleaner with a microprocessor-based dirt detection circuit
WO2009020354A2 (en) * 2007-08-08 2009-02-12 Woongjin Coway Co., Ltd. Air cleaner
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

Also Published As

Publication number Publication date
NL97200C (zh)
US2715946A (en) 1955-08-23
DE1428391B2 (de) 1970-11-26
US2714425A (en) 1955-08-02
DE1186992B (de) 1965-02-11
GB764512A (en) 1956-12-28
FR1120551A (fr) 1956-07-09
DE1428391A1 (de) 1969-05-29

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