US1054853A - Drying-machine. - Google Patents

Drying-machine. Download PDF

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Publication number
US1054853A
US1054853A US62524711A US1911625247A US1054853A US 1054853 A US1054853 A US 1054853A US 62524711 A US62524711 A US 62524711A US 1911625247 A US1911625247 A US 1911625247A US 1054853 A US1054853 A US 1054853A
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Prior art keywords
drum
drying
machine
clothes
perforated
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Expired - Lifetime
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US62524711A
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Hjalmar Loefquist
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Individual
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    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
    • D06F58/04—Details 

Definitions

  • the present invention relates to improvements in drying machines of the kind provided with electrical water-heating means,
  • the machine proper is of the type wherein the clothes or other materials are put in a perforated drum which is rotated during the washing process, preferably in alternate direct-ions.
  • a perforated drum which is rotated during the washing process, preferably in alternate direct-ions.
  • Such drum is located in a stationary receptacle or tank containing water which is heated by means of electrical resistance elements mounted in closed metal housings.
  • the said electrical resistance elements are exchangeable for others provided with perforated housings for use in drying the clothes while same are in the machine and further one of the journals of the washing drum or' cylinder is made hollow and connected to a fan for'blowing a current of air into the drum during the drying process.
  • Thedrum is also preferably provided with pro ect1ons on its internal periphery specially adapted to tumble and displace the clothes during the drying process and so hasten it.
  • Figure 1 is a part sectional side elevation of a washing machine constructed according to the invention and arranged for drying the clothes.
  • Fig. 2 is an .end view of same partly in section
  • Figs. 3 and 4 are a side view and a section respectively of a detail of the electrical resistance elements arranged for heating the water during the 6 are provided through which turret-like extensions 7 for the terminals of the heating resistance elements roject.
  • the said heating elements consist, in the form shown, of metal wire coils 8, wound on suit-able cores 9 suspended on bars 17 and surrounded by metal casings.
  • the heating elements shown in Figs. 3 and 4 with completely closed casings 10 are used but duringthe drying the said heating elements are removed and those shown in Figs. 1 and 2 provided with perforated casings 11 are inserted.
  • One of the journals 12 of the drum 4 is hollow, as already mentioned, and is connected to the exhaust 13 of a fan 14, which is preferably driven from the same motor 15 that serves to drive the drum.
  • a fan 14 which is preferably driven from the same motor 15 that serves to drive the drum.
  • the interior of the drum can be shut off from the hollow journal 12 075 perforations of the drum and is forced to circulate several times through and around the perforated heating elements 11 and again through the drum, whereby an eflicient drying is obtained.
  • the air saturated with moisture finally escapes through the holes 6.
  • the drum is as already mentioned, provided with special devices around its internal periphery for tumbling the clothes so as to expose them uniformly to the influence of the air.
  • the said devices consist of longitudinal bars of V-shaped cross-section. made out of a material which is not afiected by the washing water, but is capable of receiving an even. and smooth surface.
  • A. mixture of asbestos and cement has proved to be especially suitable for forming these bars, and said bars may therefore be formed from plates of such material, which is preferably polished. 7
  • a drying machine for clothes comprising a perforated drum for receiving the clothes, means for transmitting a reciprocating rotary motion to said drum, a receptacle surrounding said drum and electrical heating means with perforated casings mounted in said receptacle.
  • a drying machine for clothes comprising a perforated drum for receiving the;
  • clot-hes means for transn'lit-ting a reciproeating rotary motion to sa1d drum, a recep- 1 ing means with perforated casings mounted in sa1d receptacle, a hollow ournal supportmg sa1d drum and communicating wlth the 'i11te1-ior 1l1ereof, and a fan discharging into said hollow journal.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Description

H. LU'FQUIST. DRYING MACHINE.
APPLIOATIOH FILED MAY 5, 1911.
1 54,853; Patented Mar. 4, 1913.
l I I .INVENTOR:
HJALMAB Lorqms'r; or STOCKHOLM, SWEDEN.
DRYING-MACHINE.
Specification of Letters Patent.
Application filed May 5, 1911.
Patented Mar. 4, 191 3.
Serial No. 625,247.
7 '0 all whom it may concern Be it known that I, I'IJALMAR Lor UIs'r, subject of the King of Sweden, residing at Birger-Jarlsgatan 21, Stockholm, Sweden, have invented a new and useful Improvement in Drying-Machines, of which the following is a specification.
The present invention relates to improvements in drying machines of the kind provided with electrical water-heating means,
' its object being to make such machines capable of drying the washed clothes after a slight alteration of the same.
The machine proper is of the type wherein the clothes or other materials are put in a perforated drum which is rotated during the washing process, preferably in alternate direct-ions. Such drum is located in a stationary receptacle or tank containing water which is heated by means of electrical resistance elements mounted in closed metal housings.
According to the present invention the said electrical resistance elements are exchangeable for others provided with perforated housings for use in drying the clothes while same are in the machine and further one of the journals of the washing drum or' cylinder is made hollow and connected to a fan for'blowing a current of air into the drum during the drying process. Thedrum is also preferably provided with pro ect1ons on its internal periphery specially adapted to tumble and displace the clothes during the drying process and so hasten it.
A suitable construction embodying one form of the invention is shown in the accompanying drawings, in which:
Figure 1 is a part sectional side elevation of a washing machine constructed according to the invention and arranged for drying the clothes. Fig. 2 is an .end view of same partly in section, and Figs. 3 and 4 are a side view and a section respectively of a detail of the electrical resistance elements arranged for heating the water during the 6 are provided through which turret-like extensions 7 for the terminals of the heating resistance elements roject. The said heating elements consist, in the form shown, of metal wire coils 8, wound on suit-able cores 9 suspended on bars 17 and surrounded by metal casings. During the washing, the heating elements shown in Figs. 3 and 4 with completely closed casings 10 are used but duringthe drying the said heating elements are removed and those shown in Figs. 1 and 2 provided with perforated casings 11 are inserted.
One of the journals 12 of the drum 4 is hollow, as already mentioned, and is connected to the exhaust 13 of a fan 14, which is preferably driven from the same motor 15 that serves to drive the drum. During the Washing process the interior of the drum can be shut off from the hollow journal 12 075 perforations of the drum and is forced to circulate several times through and around the perforated heating elements 11 and again through the drum, whereby an eflicient drying is obtained. Of course it would also be possible to lead the air through the heating elements before passing into the drum, but it has been proved, that practically the same results are obtained with the arrangement shown, which also has the advantage of great simplicity. The air saturated with moisture finally escapes through the holes 6.
The drum is as already mentioned, provided with special devices around its internal periphery for tumbling the clothes so as to expose them uniformly to the influence of the air. The said devices consist of longitudinal bars of V-shaped cross-section. made out of a material which is not afiected by the washing water, but is capable of receiving an even. and smooth surface. A. mixture of asbestos and cement has proved to be especially suitable for forming these bars, and said bars may therefore be formed from plates of such material, which is preferably polished. 7
Having now particularly described the nature of my invention and the manner of tacle surrounding said drum, electrical heatits operation, what I claim is it. A drying machine for clothes comprising a perforated drum for receiving the clothes, means for transmitting a reciprocating rotary motion to said drum, a receptacle surrounding said drum and electrical heating means with perforated casings mounted in said receptacle.
2. A drying machine for clothes comprising a perforated drum for receiving the;
clot-hes, means for transn'lit-ting a reciproeating rotary motion to sa1d drum, a recep- 1 ing means with perforated casings mounted in sa1d receptacle, a hollow ournal supportmg sa1d drum and communicating wlth the 'i11te1-ior 1l1ereof, and a fan discharging into said hollow journal.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
[-IJ ALMA R LO FQU IST. \Vitnesses Bmunn VURDFELDT, -Hum/x TELANDER.
US62524711A 1911-05-05 1911-05-05 Drying-machine. Expired - Lifetime US1054853A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US62524711A US1054853A (en) 1911-05-05 1911-05-05 Drying-machine.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62524711A US1054853A (en) 1911-05-05 1911-05-05 Drying-machine.

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US1054853A true US1054853A (en) 1913-03-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2936527A (en) * 1957-02-27 1960-05-17 Easy Washing Machine Company L Clothes drier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2936527A (en) * 1957-02-27 1960-05-17 Easy Washing Machine Company L Clothes drier

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