FR879635A - Improvements to dust extractors - Google Patents

Improvements to dust extractors

Info

Publication number: FR879635A
Authority: FR; France
Prior art keywords: dust extractors; extractors; dust
Prior art date: 1939-04-08
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

Other languages

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.)

HOOVER ETS

Original Assignee

HOOVER ETS

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.)

1939-04-08

Filing date

1940-04-05

Publication date

1943-03-01

1940-04-05 Application filed by HOOVER ETS filed Critical HOOVER ETS

1943-03-01 Application granted granted Critical

1943-03-01 Publication of FR879635A publication Critical patent/FR879635A/en

Status Expired legal-status Critical Current

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
- A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
- 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
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
- A47L5/30—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with driven dust-loosening tools, e.g. rotating brushes
- 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
- A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
- A47L9/1427—Means for mounting or attaching bags or filtering receptacles in suction cleaners; Adapters
- 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
- Y10S55/21—Silencer cleaner

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Electric Suction Cleaners (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)

FR879635D 1939-04-08 1940-04-05 Improvements to dust extractors Expired FR879635A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US266721A US2260237A (en)	1939-04-08	1939-04-08	Suction cleaner

Publications (1)

Publication Number	Publication Date
FR879635A true FR879635A (en)	1943-03-01

Family

ID=23015733

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR879635D Expired FR879635A (en)	1939-04-08	1940-04-05	Improvements to dust extractors

Country Status (3)

Country	Link
US (2)	US2260237A (en)
FR (1)	FR879635A (en)
GB (1)	GB539495A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL80873C (en) *	1950-12-12
US3328826A (en) *	1965-06-25	1967-07-04	Paul E Amos	Combination vacuum cleaner and hassock
US3355095A (en) *	1966-02-01	1967-11-28	Singer Co	Combined casing and noise muffler for a vortex fan
US3665683A (en) *	1969-09-29	1972-05-30	Nat Union Electric Corp	Vacuum cleaner having pre-filter and dust bag
US4086032A (en) *	1976-08-23	1978-04-25	Mitsubishi Jukogyo Kabushiki Kaisha	Sealed type motor-compressor
JP2511870B2 (en) *	1986-03-20	1996-07-03	株式会社日立製作所	Screen-vacuum pump device
DE4418433C2 (en) *	1993-05-29	1998-04-09	Daewoo Electronics Co Ltd	Brush arrangement for a vacuum cleaner with a sound absorbing system
US6023830A (en) *	1998-06-18	2000-02-15	Dana Corporation	Apparatus and method for installing a noise reduction structure within a vehicle driveshaft tube
US6532621B2 (en) *	2001-01-12	2003-03-18	Royal Appliance Mfg. Co.	Vacuum cleaner with noise suppression features
DE10241883B4 (en) *	2002-09-10	2012-06-21	Andreas Stihl Ag & Co.	Hand-held implement with a mounting pin for an exhaust silencer

0
- US US22445D patent/USRE22445E/en not_active Expired
1939
- 1939-04-08 US US266721A patent/US2260237A/en not_active Expired - Lifetime
1940
- 1940-03-11 GB GB4572/40A patent/GB539495A/en not_active Expired
- 1940-04-05 FR FR879635D patent/FR879635A/en not_active Expired

Also Published As

Publication number	Publication date
US2260237A (en)	1941-10-21
USRE22445E (en)	1944-02-22
GB539495A (en)	1941-09-12

Publication	Publication Date	Title
FR879627A (en)	1943-03-01	Improvements to dust extractors
FR863570A (en)	1941-04-04	Improvements to dust extractors
FR879635A (en)	1943-03-01	Improvements to dust extractors
FR868469A (en)	1941-12-31	Improvements to dust vacuum cleaners
FR867282A (en)	1941-10-10	Improvements to amplifiers
FR858393A (en)	1940-11-23	Improvements made to tool cases
FR879625A (en)	1943-03-01	Improvements to dust extractors
FR862704A (en)	1941-03-13	Improvements to brake mechanisms
FR862003A (en)	1941-02-25	Improvements to doctors
FR946860A (en)	1949-06-16	Improvements to phonograph pick-ups
FR855779A (en)	1940-05-20	Improvements to skis
FR887768A (en)	1943-11-23	Improvements to dust extractors
FR879626A (en)	1943-03-01	Improvements to dust extractors
FR863087A (en)	1941-03-22	Improvements to dust extractors
FR50221E (en)	1940-01-20	Improvements to dust extractors
FR863033A (en)	1941-03-21	Improvements to filters
FR867342A (en)	1941-10-13	Improvements to dust extractors
FR850429A (en)	1939-12-16	Improvements to gasifiers
FR863774A (en)	1941-04-09	Improvements to constructions
FR861357A (en)	1941-02-07	Improvements to aerodynes
FR861002A (en)	1941-01-30	Improvements relating to brake mechanisms
FR870528A (en)	1942-03-13	Improvements to dust extractors
FR877447A (en)	1942-12-07	Improvements to gasifiers
FR50753E (en)	1941-03-26	Improvements to gasifiers
FR864383A (en)	1941-04-25	Improvements to gasifiers