US2126426A - Drying apparatus - Google Patents

Drying apparatus Download PDF

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US2126426A
US2126426A US149065A US14906537A US2126426A US 2126426 A US2126426 A US 2126426A US 149065 A US149065 A US 149065A US 14906537 A US14906537 A US 14906537A US 2126426 A US2126426 A US 2126426A
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rotor
casing
air
perforations
vacuum
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US149065A
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Traube Abraham
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F43/00Dry-cleaning apparatus or methods using volatile solvents
    • D06F43/02Dry-cleaning apparatus or methods using volatile solvents having one rotary cleaning receptacle only

Definitions

  • This invention relates to a drying apparatus for use particularly in a dry-cleaning system in which articles of clothing are washed and rinsed in an inflammable solvent or fluid and are 3 dried or partially dried before'removal from the machine.
  • the invention relates more particularly to drycleaning apparatus oi. the type described in myv prior Patent No. 1,740,716 dated December 24. 10 1929, in which the system operates under a vacuum in order to avoid the danger of fire and explosion.
  • the objects of my present-invention are to provide an improved apparatus whereby heated '16 air or gas may be fed into a vacuum' chamber containing the articles being cleaned, and whereby the air or gas is drawn from the said chamber after passing in direct contact with. the said articles and .without destroying the vacuum in 20 the system.
  • a further object of this invention isto provide an improved apparatus having a perforated rotor containing the articles to be cleaned and means for directing drying air or gas through as the perforations in the rotor and into direct contact with the said articles.
  • a still further oblect oi the invention is to provide a rotor having annular circumferential series of perforations,
  • a still further object is to provide'jthe sa :1 rotor also with one-or more axial openings for a the on or for the withdrawal of the drying air
  • Fig. is a similar view showing another modification.
  • the apparatus is of the type shown in-the said prior Patent No. 1,740,716 and comprises an outer shell or casing having a lower part III with an upper part II secured thereon by means of bolts [2 passed through flanges i3, and the upper part H is provided with a hinged door It giving eonvenlent access to the interior of the shell or casing.
  • the rotor it is provided with'a pair of doors 2
  • the cleaning solvent or fluid may be supplied to the casing through an overhead spray pipe 38 having branch pipes 39 for the admission of the fluid as in the said prior patent.
  • the branch pipes 39 are each arranged in alignment with a circumferential series of openings 35 and the branch pipes preferably extend--as shown at Fig. 2--between the flanges 36.
  • the articles of clothing or other articles or materials to be dry-cleaned are fed into the rotor l while the doors H and M are opened and when the rotor has thus been loaded, the doors 2
  • the cycle of operations then commences with the exhaustion of air from the casing by means of a suction pump connected with the pipe 40 leading into the upper part of the casing.
  • benzene or other like cleaning fluid is supplied to the pipe 38 and branch pipes 39 and the rotor is rotated in the manner desired in the cleaning of the particular goods under treatment.
  • the cleaning fluid is drained off by gravity through a suitable outlet as described and shown in the said prior patent, without disturbing the vacuum condition within the casing, and after the rotor has been operated to discharge moisture by centrifugal force, the drying operation is performed in the manner above described, so that a partial vacuum is maintained in the system from the time that the articles are introduced untilthe washing, rinsing and drying has been completed at the end of the cycle of operation, and it is only when the doors I! and 2
  • leads from a steam-heating unit and communicates with three branch pipes two of which, 4 2 and 43, lead to parallel longitudinal pipes 45, 46 respectively supplying the air nozzle as in the form above described; while the third branch pipe 44 leads to ahollow trunnion 41 communicating with the interior of the rotor.
  • the trunnion 48 at the opopsite end'of the rotor is also hollow, and is supplied with heated air by meansof a pipe 49 connected'to the end of the longitudinal pipe 35.
  • heated air is supplied to rows of nozzles and through circumferential series of perforations to the interior of the rotor, and is at the same time admitted to the rotor in an axial direction through both ends thereof. Heating air is exhausted from the lower part of the casing through a pipe 31 as in the form shown at Fig. 2.
  • heated air is supplied through a pipe 50 and through branch pipes 5
  • the drying air is withdrawn in an axial direction from the rotor, a hollow trunnion 55 communieating with branch pipes 56, 51, and a hollow trunnion 58 communicating with branch pipes 59, 60.
  • the drying air is exhausted from the rotor and the vacuum condition is maintained in the system by means of the suction pump which is connected by means of a pipe H to the said branch pipes 51, 60.
  • a sealed casing a cylindrical rotor mounted within the casing, means for maintaining a partial vacuum in the casing and rotor, annular series of perforations in the walls of the rotor, stationary air nozzles in proximity to the'perforations, means for supplying hot air to said nozzles, and annular means on the rotor for guiding the hot air through the said perforations.
  • a fixed casing having a sealing door therein, a cylindrical rotor mounted on a horizontal axis within the casing and having a door to be opened when in alignment with the door in the casing, means for rotating the rotor within the casing, annular circumferential series of perforations in the rotor and in its door, fixed rows of air nozzles in close proximity to the said perforations, annular flanges on the rotor and on its door for directing heating air from the nozzles through the perforations to directly contact the contents of the rotor, means-for supplying heated air to the nozzles and means for withdrawing the heated air from the casing and for maintaining the vacuum in the casing.
  • a dry-cleaning apparatus In a dry-cleaning apparatus, a fixed casing, a cylindrical rotor mounted on a horizontal axis within the casing, an annular series of perforations extending around the rotor, annular ribs arranged in pairs and extending around the rotor in close proximity to the perforations, a fixed nozzle extending between the annular ribs of each pair to direct drying air through said perforations, and means for supplying heated air to the nozzles and for exhausting the drying air from the casing, and for maintaining a vacuum within the casing.
  • a closed casing a cylindrical rotor, hollow trunnions supporting the rotor in the casing, annular series of perforations in the cylindrical wall of the rotor, annular flanges on the rotor between each series of perforations and the series adjacent thereto, nozzles extending between said flanges for directing drying air through said perforations, means for withdrawing the drying air from the rotor through said trunnions, and for maintaining a partial vacuum in the casing and rotor, and means for rotating the rotor while the drying air is passing therethrough.

Description

Aug. 9, 1938. A. TRAUBE DRYING APPARATUS Filed June 19, 1937 2 Sheets-Sheet l INVENTOR ha Abraham Tmu ATTOR NEY Aug 9, 1938. A. TRAUBE DRYINGYAPPARATUS Filed June -19, 1957 2 Shets-Sheet 2 INVENTOR AIJFEH'IEI EQ Trauma m ATTORNEY Patented Aug. 9, 1938 um'rso sures PATE T OFFICE amass; I Application June 19, 1937 Serial No. 149,065 4 Claims. (CL 34 5) This invention relates to a drying apparatus for use particularly in a dry-cleaning system in which articles of clothing are washed and rinsed in an inflammable solvent or fluid and are 3 dried or partially dried before'removal from the machine.
The invention relates more particularly to drycleaning apparatus oi. the type described in myv prior Patent No. 1,740,716 dated December 24. 10 1929, in which the system operates under a vacuum in order to avoid the danger of fire and explosion.
The objects of my present-invention are to provide an improved apparatus whereby heated '16 air or gas may be fed into a vacuum' chamber containing the articles being cleaned, and whereby the air or gas is drawn from the said chamber after passing in direct contact with. the said articles and .without destroying the vacuum in 20 the system.
A further object of this invention isto provide an improved apparatus having a perforated rotor containing the articles to be cleaned and means for directing drying air or gas through as the perforations in the rotor and into direct contact with the said articles. A still further oblect oi the invention is to provide a rotor having annular circumferential series of perforations,
nozzles aligned with said perforations for direct-..
so ing drying air into the rotor, and annular circumi'erential flanges on the rotor for insuring admission of the 7 l air into the interior then of. A still further object is to provide'jthe sa :1 rotor also with one-or more axial openings for a the on or for the withdrawal of the drying air With these and other objects in view, the invention conslsts in the novel construction and arrangement of parts hereinafter described, illusi trated in the accompanying drawings and particularly pointed out in the appended claims, it being understood that various changes in the form and construction and in minor details may be made without departing from the spirit of the ing vention or sacrificing, any of the advantages steam pipes 21, 28.
and showing a modified form of the apparatus; and
Fig. is a similar view showing another modification. V
Referring to Figs. 1, 2, and 3 of the drawings. 5 the apparatus is of the type shown in-the said prior Patent No. 1,740,716 and comprises an outer shell or casing having a lower part III with an upper part II secured thereon by means of bolts [2 passed through flanges i3, and the upper part H is provided with a hinged door It giving eonvenlent access to the interior of the shell or casing.
Mounted on a horizontal axis within the casing III, II is a hollow rotor I5 of cylindrical form 16 with end walls It and trunnions or end shafts l1, l8, suitably mounted in bearings in the end walls of the casing, so that the rotor may be driven in the manner clearly described in the said prior patent, a pulley l9 being providedon 20 the trunnion I1 and a gear wheel 20 being provided on the trunnion it as in the prior patent.
The rotor it is provided with'a pair of doors 2| hinged at 22 and having fastening means 23, these doors being adapted to swing outwardly 25 when the door it is opened, so that the clothing or other articles to be treatedmay be supplied to or removed from the interior of the rotor.
After the-articles in the rotor have been washed and rinsed in the inflammable solvent or fluid 3o invention heated air or gasis then suppliedto the interior of the rotor to dry its contents.
As sho'wn'at Fig. 2, atmospheric air ii'admitted 40 at 24 to a casing "containing a nest oi! tubes 26 through which steam is passed by means of The air passing in contact with the external surfaces of the steam tubes 28 is heated and passes from the casing 28. through a pipe I! with a, control valve 30, and
I is led into branch pipes 3| leading into two formed with annular circumferential series 0! is pose of insuring passage of the heatedair tothe interior of the rotor. The flanges 36 are preferably formed to converge towards each other at their outer peripheral extremities, as shown clearly at Fig. 3. As the said control valve 30 is opened to admi drying air to the system, the vacuum within the casing I0, I I is maintained by means of a vacuum pump connected with the lower part of the casing by means of .a pipe 31, Fig. 2, in such manner that the heated air is admitted to the casing through the two parallel series of-nozzles 33 whereby the heating medium is directed inwardly toward the axis of the rotor and passes inwardly through the perforations 35 to .impinge upon the articles contained in the rotor as the latter is slowly rotated first in one direction and then in the other, and at the same time the partial vacuum in the casing and ,rotor is maintained by the operation of the vacuum pump. In the operation of this system the cleaning solvent or fluid may be supplied to the casing through an overhead spray pipe 38 having branch pipes 39 for the admission of the fluid as in the said prior patent. In accordance with the present invention the branch pipes 39 are each arranged in alignment with a circumferential series of openings 35 and the branch pipes preferably extend--as shown at Fig. 2--between the flanges 36. In operation, the articles of clothing or other articles or materials to be dry-cleaned, are fed into the rotor l while the doors H and M are opened and when the rotor has thus been loaded, the doors 2| are closed and secured and the door I4 is then closed and sealed. The cycle of operations then commences with the exhaustion of air from the casing by means of a suction pump connected with the pipe 40 leading into the upper part of the casing. When the desired degree of vacuum is obtained in the casing, benzene or other like cleaning fluid is supplied to the pipe 38 and branch pipes 39 and the rotor is rotated in the manner desired in the cleaning of the particular goods under treatment. After thecontents of the rotor have been cleaned and rinsed, the cleaning fluid is drained off by gravity through a suitable outlet as described and shown in the said prior patent, without disturbing the vacuum condition within the casing, and after the rotor has been operated to discharge moisture by centrifugal force, the drying operation is performed in the manner above described, so that a partial vacuum is maintained in the system from the time that the articles are introduced untilthe washing, rinsing and drying has been completed at the end of the cycle of operation, and it is only when the doors I! and 2| are to be opened that the vacuum within the system is destroyed.
In the modification shown at Fig. v4, a hot-air pipe 4| leads from a steam-heating unit and communicates with three branch pipes two of which, 4 2 and 43, lead to parallel longitudinal pipes 45, 46 respectively supplying the air nozzle as in the form above described; while the third branch pipe 44 leads to ahollow trunnion 41 communicating with the interior of the rotor. The trunnion 48 at the opopsite end'of the rotor is also hollow, and is supplied with heated air by meansof a pipe 49 connected'to the end of the longitudinal pipe 35. In this manner, heated air is supplied to rows of nozzles and through circumferential series of perforations to the interior of the rotor, and is at the same time admitted to the rotor in an axial direction through both ends thereof. Heating air is exhausted from the lower part of the casing through a pipe 31 as in the form shown at Fig. 2.
In the modification illustrated at Fig. 5, heated air is supplied through a pipe 50 and through branch pipes 5|, 52 to longitudinal pipes 53, 54, leading to a series of nozzles as above described, so that the supply of heated air to the system is similar to that described in connection with Figs. 1 and 2. In the form shown at Fig. 5, however, the drying air is withdrawn in an axial direction from the rotor, a hollow trunnion 55 communieating with branch pipes 56, 51, and a hollow trunnion 58 communicating with branch pipes 59, 60. The drying air is exhausted from the rotor and the vacuum condition is maintained in the system by means of the suction pump which is connected by means of a pipe H to the said branch pipes 51, 60.
Although the drawings and the above specification disclose the best modes in which I have contemplated embodying my invention, I desire to be in no way limited to the details of such disclosure, for in the further practical application of my invention'many changes in the form and construction of the apparatus may be made as circumstances require or experience suggests without departing from the'spirit of the invention within the scope of the appended claims.
What I claim is:
1. In a dry-cleaning apparatus, a sealed casing, a cylindrical rotor mounted within the casing, means for maintaining a partial vacuum in the casing and rotor, annular series of perforations in the walls of the rotor, stationary air nozzles in proximity to the'perforations, means for supplying hot air to said nozzles, and annular means on the rotor for guiding the hot air through the said perforations.
2. In a dry-cleaning apparatus operating under vacuum, a fixed casing having a sealing door therein, a cylindrical rotor mounted on a horizontal axis within the casing and having a door to be opened when in alignment with the door in the casing, means for rotating the rotor within the casing, annular circumferential series of perforations in the rotor and in its door, fixed rows of air nozzles in close proximity to the said perforations, annular flanges on the rotor and on its door for directing heating air from the nozzles through the perforations to directly contact the contents of the rotor, means-for supplying heated air to the nozzles and means for withdrawing the heated air from the casing and for maintaining the vacuum in the casing.
3. In a dry-cleaning apparatus, a fixed casing, a cylindrical rotor mounted on a horizontal axis within the casing, an annular series of perforations extending around the rotor, annular ribs arranged in pairs and extending around the rotor in close proximity to the perforations, a fixed nozzle extending between the annular ribs of each pair to direct drying air through said perforations, and means for supplying heated air to the nozzles and for exhausting the drying air from the casing, and for maintaining a vacuum within the casing.
4. In a dry-cleaning apparatus, a closed casing, a cylindrical rotor, hollow trunnions supporting the rotor in the casing, annular series of perforations in the cylindrical wall of the rotor, annular flanges on the rotor between each series of perforations and the series adjacent thereto, nozzles extending between said flanges for directing drying air through said perforations, means for withdrawing the drying air from the rotor through said trunnions, and for maintaining a partial vacuum in the casing and rotor, and means for rotating the rotor while the drying air is passing therethrough. I
ABRAHAM TRAUBE. 5
US149065A 1937-06-19 1937-06-19 Drying apparatus Expired - Lifetime US2126426A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2556303A (en) * 1945-03-09 1951-06-12 Traube Abraham Rotary washing and drying machine
US2774230A (en) * 1952-04-17 1956-12-18 Kasser Morris Cooling method and device
US3149477A (en) * 1963-01-29 1964-09-22 Henry H Bivins Vegetable produce cooler
US3238750A (en) * 1962-08-27 1966-03-08 Robert R Candor Laundry machine
US3280470A (en) * 1964-07-23 1966-10-25 Robert L Kuntz Method and apparatus for oven dehydrating compounds
US3358301A (en) * 1963-10-22 1967-12-19 Whirlpool Co Laundry machine and method
US3358302A (en) * 1965-09-20 1967-12-19 Whirlpool Co Laundry machine and method
US3426555A (en) * 1964-06-26 1969-02-11 Charles E Mccutcheon Jr Dry cleaning
US5121615A (en) * 1991-06-05 1992-06-16 Taiwan Electric Heating Equipment Co., Ltd. Drying device incorporated with a washing machine
US6006445A (en) * 1998-09-03 1999-12-28 Large; Ronald D. Washer/dryer combination

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2556303A (en) * 1945-03-09 1951-06-12 Traube Abraham Rotary washing and drying machine
US2774230A (en) * 1952-04-17 1956-12-18 Kasser Morris Cooling method and device
US3238750A (en) * 1962-08-27 1966-03-08 Robert R Candor Laundry machine
US3149477A (en) * 1963-01-29 1964-09-22 Henry H Bivins Vegetable produce cooler
US3358301A (en) * 1963-10-22 1967-12-19 Whirlpool Co Laundry machine and method
US3426555A (en) * 1964-06-26 1969-02-11 Charles E Mccutcheon Jr Dry cleaning
US3280470A (en) * 1964-07-23 1966-10-25 Robert L Kuntz Method and apparatus for oven dehydrating compounds
US3358302A (en) * 1965-09-20 1967-12-19 Whirlpool Co Laundry machine and method
US5121615A (en) * 1991-06-05 1992-06-16 Taiwan Electric Heating Equipment Co., Ltd. Drying device incorporated with a washing machine
US6006445A (en) * 1998-09-03 1999-12-28 Large; Ronald D. Washer/dryer combination

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