US3800567A - Washing and spin-drying machine with auxiliary mass - Google Patents

Washing and spin-drying machine with auxiliary mass Download PDF

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Publication number
US3800567A
US3800567A US00287969A US3800567DA US3800567A US 3800567 A US3800567 A US 3800567A US 00287969 A US00287969 A US 00287969A US 3800567D A US3800567D A US 3800567DA US 3800567 A US3800567 A US 3800567A
Authority
US
United States
Prior art keywords
tub
washing
auxiliary mass
lever
spin
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
US00287969A
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English (en)
Inventor
J Stelwagen
Loon H Van
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.)
LOON H VAN
Whirlpool International BV
Original Assignee
LOON H VAN
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 LOON H VAN filed Critical LOON H VAN
Application granted granted Critical
Publication of US3800567A publication Critical patent/US3800567A/en
Assigned to WHIRLPOOL INTERNATIONAL B.V. reassignment WHIRLPOOL INTERNATIONAL B.V. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: U. S. PHILIPS CORPORATION, A DE CORP.
Anticipated expiration legal-status Critical
Assigned to WHIRLPOOL INTERNATIONAL B.V. reassignment WHIRLPOOL INTERNATIONAL B.V. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: U. S. PHILIPS CORPORATION
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
    • D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
    • D06F37/225—Damping vibrations by displacing, supplying or ejecting a material, e.g. liquid, into or from counterbalancing pockets

Definitions

  • ABSTRACT Sepl'. 18,1971 Netherlands 7ll2863 washing'and spimdrying machine having a tub in which a rotatable drum is mounted and an auxiliary US. Cl. 68/231, 210/363 mass which disposed at ⁇ he and of a lever which is Int. Cl. D06f 37/22 connected to the machine frame and to h tub Field of Search 68/23.l, 23.2, 23.3; v
  • the invention relates to a washing and spin-drying machine for textile materials in which a tub for containing the wash liquid is accommodated in a cabinet and itself accommodates a rotatable drum for the washing load, an auxiliary mass being provided to restrict oscillations during the operation of the machine.
  • auxiliary mass is disposed at one end of a lever which is movably connected to a fixed point within the cabinet and to the tub, the part 'ofthis lever which extends between the fixed point in thecabinet and the tub being smaller than the part which extends between the tub and the auxiliary mass.
  • the invention may be used to advantage in a washing machine provided with a balancing device as described in co-pending application, Ser. No. 284,965, filed Aug.
  • this embodiment of the invention is characterized in that the auxiliary mass is disposed at the end of the conduit portion at the area of the nozzle of the said balancing device.
  • This embodiment is particularly advantageous because in general the said balancing device becomes operative only after the drum haspassed through the critical speed, so that the use of the invention provides a simple means of keeping the amplitudes of the tub and the drum within acceptable limits duringthe passage through this speed.
  • FIG. 1 is a schematic sectional view of a washing machine which is provided with a balancing device as described in the aforementioned Patent Application, and
  • H0. 2 shows a detail of this machine on an enlarged scale, in which the invention has been used.
  • the domestic washing machineshown is of a known type and'comprises a cabinet 1 in which a tub 2 is resiliently suspended from four springs 3, at least one shock absorber 4 being provided between the bottom of the tub wall and the end of the cabinet.
  • a washing drum 5, which is open at its front for loading and unloading, is rotatably mounted in this tub. Corresponding openings are formed in the front walls ofthe tub 2 and of the cabinet 1 and can be closed by a door 6 which is hingedly connected to the front wall of the cabinet 1.
  • the drum has a cylindrical wall 7 made of perforated stainless steel sheet.
  • To the rear surface of the drum 5 is secured a shaft 8 which is supported in a bearing mounted in the rear wall of the tub 2.
  • An electric motor 9 for driving the drum 5 is secured to the tub wall.
  • the drum is driven via pulleys l0 and 2 11 which are secured to the motor shaft and the drum shaft 8 respectively and over which a belt 12 runs.
  • the motor has two speeds, enabling the drum 5 to be given 'a speed of about 50 r.p.m. for washing and a speed of about 1,000 rpm. for spin-drying the washing load.
  • the drum is internally provided with ribs 13 which keep the load moving during the wash cycle.
  • a front wall 14 and a rear wall 15 of the drum 5 are doubled, the front wall beingdouble from the loading opening to the outer circumference and the rear wall between the area at which the shaft 8 is secured and the outer circumference.
  • the spaces betweenv these double walls are interconnected via the rims 13 through suitable openings formed in the inner parts of the front and rear walls 14 and 15.
  • the doublewalled spaces are each divided in five receptacles by means of five radially extending partitions 17.
  • balancing fluid is supplied to these receptacles and consequently they form part of the bal- 1 ancing device;
  • This device further comprises a conduit portion 18 through whichthe balancing fluid is conveyed and which at one end is connected to a bracket.
  • a weight 24 which serves as an auxiliary mass.
  • the length A of the conduit portion between the point at which it is secured'in the bracket 19 and the fixed point in the support 20 is made smaller than its length B between the first-mentioned securing point and the auxiliary mass.
  • the amplitude of the auxiliary mass 24 is (n 1) times the amplitude of the tub.
  • the forces exerted on the tub are increased (n l times, so that when the lever ratio n is 4 and the auxiliary mass 24 is 1 kg an apparent increase in mass of 25 kg on the tub is obtained.
  • washing and spin-drying machine for textile materials comprising a cabinet, a tub for containing the wash liquid accommodated in said cabinet, a rotatable drum for the washing load accommodated within said tub, a lever movably connected to a fixed point within the cabinet and to the tub, an auxiliary mass for restricting oscillations during the operation of the machine disposed at one end of said lever, the length of the lever which extends between the fixed point in the cabinet and the tub being smaller than the length of the lever which extends between the tuband the auxiliary mass.
  • balancing means including a conduit for supplying balancing fluid, said conduit nozzle of the said balancing means.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
US00287969A 1971-09-18 1972-09-11 Washing and spin-drying machine with auxiliary mass Expired - Lifetime US3800567A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7112863A NL7112863A (ko) 1971-09-18 1971-09-18

Publications (1)

Publication Number Publication Date
US3800567A true US3800567A (en) 1974-04-02

Family

ID=19814049

Family Applications (1)

Application Number Title Priority Date Filing Date
US00287969A Expired - Lifetime US3800567A (en) 1971-09-18 1972-09-11 Washing and spin-drying machine with auxiliary mass

Country Status (8)

Country Link
US (1) US3800567A (ko)
JP (1) JPS552999B2 (ko)
CA (1) CA990529A (ko)
DE (1) DE2244864A1 (ko)
FR (1) FR2153082B1 (ko)
GB (1) GB1403370A (ko)
IT (1) IT968343B (ko)
NL (1) NL7112863A (ko)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5513504A (en) * 1995-01-23 1996-05-07 General Electric Company Clothes basket and balance ring subassembly for a horizontal axis clothes washing machine
EP0999300A1 (en) * 1998-10-19 2000-05-10 SKF Autobalance Systems AB A method for pre-balancing a rotating drum having a temporarily shifting unbalance
US6158257A (en) * 1995-01-23 2000-12-12 General Electric Company Horizontal axis clothes washing machine with balance rings
US20040154353A1 (en) * 2002-11-29 2004-08-12 Gon Kim Drum type washing machine having vibration attenuating means
US6782722B2 (en) * 2001-09-25 2004-08-31 Sanyo Electric Co., Ltd. Drum washing machine
US20040187223A1 (en) * 2003-03-27 2004-09-30 Maytag Corporation Appliance splash seal and method for using same
CN100460586C (zh) * 2006-05-30 2009-02-11 南京乐金熊猫电器有限公司 滚筒洗衣机的减震装置
US8695383B2 (en) 2010-12-08 2014-04-15 Whirlpool Corporation Laundry treating appliance with balancing system
US8701451B2 (en) 2010-12-08 2014-04-22 Whirlpool Corporation Laundry treating appliance with balancing system
US8713977B2 (en) 2010-12-08 2014-05-06 Whirlpool Corporation Laundry treating appliance with balancing system
US8991223B2 (en) 2010-12-08 2015-03-31 Whirlpool Corporation Laundry treating appliance with balancing system
US9003838B2 (en) 2010-12-08 2015-04-14 Whirlpool Corporation Laundry treating appliance with balancing system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102639587B1 (ko) 2018-01-03 2024-02-21 에코랍 유에스에이 인코퍼레이티드 부식 억제제로서의 벤조트리아졸 유도체

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2008162A1 (de) * 1969-03-01 1970-09-10 N.V. Philips' Gloeilampenfabrieken, Eindhoven (Niederlande) Vorrichtung zum Auswuchten eines drehbar angeordneten Körpers

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2008162A1 (de) * 1969-03-01 1970-09-10 N.V. Philips' Gloeilampenfabrieken, Eindhoven (Niederlande) Vorrichtung zum Auswuchten eines drehbar angeordneten Körpers

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5513504A (en) * 1995-01-23 1996-05-07 General Electric Company Clothes basket and balance ring subassembly for a horizontal axis clothes washing machine
US6158257A (en) * 1995-01-23 2000-12-12 General Electric Company Horizontal axis clothes washing machine with balance rings
EP0999300A1 (en) * 1998-10-19 2000-05-10 SKF Autobalance Systems AB A method for pre-balancing a rotating drum having a temporarily shifting unbalance
US6782722B2 (en) * 2001-09-25 2004-08-31 Sanyo Electric Co., Ltd. Drum washing machine
US20040154353A1 (en) * 2002-11-29 2004-08-12 Gon Kim Drum type washing machine having vibration attenuating means
US20040187223A1 (en) * 2003-03-27 2004-09-30 Maytag Corporation Appliance splash seal and method for using same
CN100460586C (zh) * 2006-05-30 2009-02-11 南京乐金熊猫电器有限公司 滚筒洗衣机的减震装置
US8695383B2 (en) 2010-12-08 2014-04-15 Whirlpool Corporation Laundry treating appliance with balancing system
US8701451B2 (en) 2010-12-08 2014-04-22 Whirlpool Corporation Laundry treating appliance with balancing system
US8713977B2 (en) 2010-12-08 2014-05-06 Whirlpool Corporation Laundry treating appliance with balancing system
US8991223B2 (en) 2010-12-08 2015-03-31 Whirlpool Corporation Laundry treating appliance with balancing system
US9003838B2 (en) 2010-12-08 2015-04-14 Whirlpool Corporation Laundry treating appliance with balancing system

Also Published As

Publication number Publication date
CA990529A (en) 1976-06-08
FR2153082B1 (ko) 1976-08-13
FR2153082A1 (ko) 1973-04-27
IT968343B (it) 1974-03-20
JPS552999B2 (ko) 1980-01-23
JPS4837970A (ko) 1973-06-04
GB1403370A (en) 1975-08-28
NL7112863A (ko) 1973-03-20
DE2244864A1 (de) 1973-03-22

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Legal Events

Date Code Title Description
AS Assignment

Owner name: WHIRLPOOL INTERNATIONAL B.V., TARWELAAN 58, 5632 K

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:U. S. PHILIPS CORPORATION, A DE CORP.;REEL/FRAME:005591/0657

Effective date: 19901113

AS Assignment

Owner name: WHIRLPOOL INTERNATIONAL B.V., NETHERLANDS

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:U. S. PHILIPS CORPORATION;REEL/FRAME:005978/0607

Effective date: 19901113

Owner name: WHIRLPOOL INTERNATIONAL B.V.

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:U. S. PHILIPS CORPORATION;REEL/FRAME:005978/0607

Effective date: 19901113