US3828452A - Steam generating subassembly for electric iron - Google Patents

Steam generating subassembly for electric iron Download PDF

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Publication number
US3828452A
US3828452A US00366008A US36600873A US3828452A US 3828452 A US3828452 A US 3828452A US 00366008 A US00366008 A US 00366008A US 36600873 A US36600873 A US 36600873A US 3828452 A US3828452 A US 3828452A
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US
United States
Prior art keywords
steam
steam generating
generating chamber
sole plate
ports
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
US00366008A
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English (en)
Inventor
J Eaton
R Eeckhout
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Proctor Silex Inc
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SCM Corp
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 SCM Corp filed Critical SCM Corp
Priority to US00366008A priority Critical patent/US3828452A/en
Priority to AU69041/74A priority patent/AU488939B2/en
Priority to CA200,237A priority patent/CA1025762A/en
Priority to IT23157/74A priority patent/IT1012801B/it
Priority to GB2342974A priority patent/GB1444657A/en
Priority to DE19742425900 priority patent/DE2425900A1/de
Priority to JP49061767A priority patent/JPS5245835B2/ja
Priority to FR7418921A priority patent/FR2231799B1/fr
Publication of US3828452A publication Critical patent/US3828452A/en
Application granted granted Critical
Assigned to PROCTOR-SILEX, INC. (F/K/A WESARY APPLIANCES, INC. ), A DE CORP. reassignment PROCTOR-SILEX, INC. (F/K/A WESARY APPLIANCES, INC. ), A DE CORP. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: SCM CORPORATION
Assigned to CITICORP INDUSTRIAL CREDIT, INC., A CORP OF DE reassignment CITICORP INDUSTRIAL CREDIT, INC., A CORP OF DE MORTGAGE (SEE DOCUMENT FOR DETAILS). Assignors: PROCTOR-SILEX, INC.
Assigned to MANUFACTURERS HANOVER LEASING CORPORATION, A CORP OF NY reassignment MANUFACTURERS HANOVER LEASING CORPORATION, A CORP OF NY SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PROCTOR-SILEX CANADA INC., PROCTOR-SILEX, INC.
Assigned to WEAR-EVER-PROCTORSILEX, A DE CORP., GENERAL PARTNERSHIP OF OH., GENERAL PARTNERS ARE PROCTOR-SILEX, INC AND WEAR-EVER ALUMINUM, INC. reassignment WEAR-EVER-PROCTORSILEX, A DE CORP., GENERAL PARTNERSHIP OF OH., GENERAL PARTNERS ARE PROCTOR-SILEX, INC AND WEAR-EVER ALUMINUM, INC. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: PROCTOR-SILEX, INC.
Assigned to WEAREVER-PROCTORSILEX, INC., A CORP. OF DE. reassignment WEAREVER-PROCTORSILEX, INC., A CORP. OF DE. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: WEAR-EVER-PROCTORSILEX, A PARTNERSHIP
Assigned to CHASE MANHATTAN BANK (NATIONAL ASSOCIATION), THE reassignment CHASE MANHATTAN BANK (NATIONAL ASSOCIATION), THE SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). (AS SECURITY ONLY) Assignors: WEAREVER-PROCTORSILEX, INC., A DE CORP.
Assigned to PROCTOR-SILEX, INC. reassignment PROCTOR-SILEX, INC. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). DELAWARE FEBRUARY 9, 1989 Assignors: WEAREVER-PROCTORSILEX, INC.
Assigned to WEAREVER-PROCTORSILEX, INC. reassignment WEAREVER-PROCTORSILEX, INC. MERGER (SEE DOCUMENT FOR DETAILS). JUNE 30, 1986, DELAWARE Assignors: WEAR-EVER ALUMINUM, INC., (WITH AND INTO) PROCTOR-SILEX, INC.,
Anticipated expiration legal-status Critical
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
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/10—Hand irons internally heated by electricity with means for supplying steam to the article being ironed
    • D06F75/14—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water in a reservoir carried by the iron
    • D06F75/18—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water in a reservoir carried by the iron the water being fed slowly, e.g. drop by drop, from the reservoir to a steam generator

Definitions

  • the low and high velocity steam generating chambers include a substantially linear passageway and a tortuous passageway, rspectively. A portion of a water receiving v passage of the high velocity steam generating chamber and a portion of its tortuous passageway extend over a heating element embedded in the sole plate.
  • the present invention relates generally to electric steam irons and more particularly to electric steam irons having the ability to generate in separate chambers a continous low velocity steam and a deep penetrating, high velocity steam which comminicates with common steam ports in the sole plate.
  • Steam irons of the prior art for example, those of U.S. Pat. Nos. 3,559,357 and 3,711,972, disclose the use of two steam generating chambers (one for the continuous low velocity steam and one for the high velocity steam) with the steam generating chambers of these two patents utilizing a common path to produce steam and having only separate points of entry for the water.
  • the steam iron of the prior art cannot individually control the conditions at which the two types of steam may be generated.
  • These steam irons also generally have the steam generating chambers lying within the interior of the generally U-shaped embedded heating element and consequently do not take advantage of the hottest area of the sole plate for the initial production of steam.
  • Completely independent steam generating chambers are shown in U.S. Pat. No. 3,304,636, but the two chambers produce steam to be used with the steam ports in the sole plate of the iron and with the spray nozzle of the iron, respectively.
  • the present invention provides a steam generating subassembly for an electric iron having tow independent steam generating chambers for generating a continuous low velocity steam and a high velocity, deep penetrating steam, respectively.
  • the low velocity steam generating chamber includes a generally linear water receiving passage which has water introduced therein from a water reservoir by a meter valve, and a generally linear passageway which communicates with the steam ports in the sole plate of the iron through a common outlet path.
  • the substantially linear passageway and passage lie within a U-shaped heating element embedded within said sole plate.
  • the high velocity steam generating chamber includes a substantially smooth, water receiving curved passage which has water introduced therein from the water reservoir by a manual pump and a tortuous passageway which is connected to the common outlet path. A portion of the curved water receiving passage and of the tortuous passageway is located over the embedded heating element.
  • An object of the present invention is to provide a new, improved sole plate having two independent steam generating chambers therein for producing a continuous low velocity steam and a high velocity deep penetrating steam, respectively.
  • Still another object of the present invention is the production of low velocity steam without using intricate maze-type structures which tend to be plugged up by tap water scale deposits with a tortuous path being used only in the high velocity steam chamber which is not used as frequently.
  • FIG. 2 is a top view of the two steam generating chambers without the remainder of the sole plate and with the cover removed;
  • FIG. 3 is a sectional view takne taken along lines 3-3 of FIG. 2 with the cover removed.
  • FIG. 1 there is illustrated the steam generating subassembly 10 having a sole plate 12 and a cover 14 secured to the sole plate 12 by fasteners going through holes 16.
  • Water from a reservoir (not shown) is introduced by a metered valve (not shown) through aperture 18 in the sole plate cover 14 into the low velocity steam generating chamber, and water is also introduced by a manual pump (for example, the one in copending application Ser. No. 363,965, filed May 25, 1973) through aperture 20 in sole plate cover 14 into the high velocity steam generating chamber.
  • a generally U-shaped heating element 22 having parallel legs 24, 26 and a bight portion 28.
  • the heating element 22 extends up from the soleplate 12 with electrical terminals 30 and 32 extending therefrom.
  • the low velocity steam generating chamber shown more specifically in FIGS. 2 and 3, has an initial generally linear water receiving passage 34. Drops of water,
  • the generally linear water receiving passage 34 and the linear passageway 40 are slightly inclined to aid the flow of the water droplets in the low velocity steam generating chamber, from the point of entry 36 to the end of passageway 40.
  • the paths 42 are higher than passageway 40 so that water that has condensed after the iron has cooled collects in passageway 40 and remains there because of the steps 45 produced by the height differential of passageway 40 and paths 42.
  • a second steam generating chamber independent and separate from the low velocity steam generating chamber, which generates a high velocity, deep penetrating steam, has water receiving passage 46 which is a generally U-shaped passage of smooth curvature having portions 48 lying over legs 24 and 26 of theembedded heating element 22.
  • a tortuous passageway 50 also part of the second steam generating chamber, eonnects the water receiving passage 46 with common outlet paths 42 and the steam ports 44. The majority of the tortuous passageway 50 also overlies legs 24 and 26 of the embedded heating element 22.
  • Water introduced at point 52 in the high velocity steam generating passage travels the smooth, curved water receipt passage 46 to portion 48, where it flows over the portion of the sole plate in direct contact with the embedded heating element and further is heated in the tortuous passageway 50, also overlying the heating elements. By the time that the water enters common outlet paths 42, it is completely converted to steam with a high velocity.
  • the steam ports 44 are located in areas 54 and 56 which lie within the U-shaped heating element 22, and area 58 which lies within and without the U-shaped heating element 22. Areas 54 and 56 communicate with common outlet paths 42 through openings 62 and 64, respectively, in the upper portion of the lateral walls of path 42, to insure that only steam enters areas 54 and 56.
  • the steam from common outlet paths 42 communicates with area 58 via openings 64, areas 56 and openings 66.
  • the low velocity steam generating chamber is made up of generally linear sections 34,40 of fairly wide width, so that the water introduced drop-by-drop at point 36 travels down the linear sections 34,40 and converts into a low volume oflow velocity steam by the time it reaches common outlet paths 42 and steam ports 44.
  • the high velocity steam generating chamber comprises narrow sections, one of a smooth curved shape and the other tortuous shaped, both of which have portions overlying the embedded heating element 22 so that a relatively large volume of water introduced quickly by pumping travels the smooth curved passageway at a high rate and by reason of close proximity to the heating elements and by the tortuous path, is quickly converted to steam which is introduced as high velocity steam into common outlet path 42 and steam ports 44.
  • the location of the two separate steam generating chambers makes effective and efficient use of the total sole plate area and areas of different proximity to the heating elements.
  • a steam generating subassembly for an electric iron comprising: i
  • said second steam generating chamber independent of said first steam generating chamber, communicating with said steam ports through said outlet path, said second steam generating chamber includes a tortuous passageway at least a portion of which extends over said embedded heating element;
  • a cover means secured to said sole plate to define said first and second steam generating chambers.
  • said second steam generating chamber includes a substantially smooth curved water receiving passage, at least a portion of which extends over said embedded heating element.
  • a steam generating subassembly for an electric iron comprising:
  • a heating element embedded in said sole plate a por tion of said heating element being generally U- shaped;
  • a second steam generating chamber being independent of said first steam generating chamber, having a portion extending over said and communicating with said outlet path at a second point other than said first point.
  • a steam generating subassembly for an electric iron comprising:
  • a cover means secured to said sole plate to define said first and second steam generating chambers.
  • a steam generating subassembly for an electric iron comprising:
  • a heating element embodied within said sole plate, a portion of said heating element being generally U shaped;
  • said first steam generating chamber lies within said U and communicating with said steam ports through a common outlet path, said first steam generating chamber includes a substantially linear water receiving passage and passageway;
  • a second steam generating chamber independent of said first steam generating chamber, at least a por tion of which extends over said heating element, and communicates with said steam ports through said common outlet path; and said second steam generating chamber includes a smooth curved water receiving passage and a tortuous passageway.
  • a steam generating subassembly for an electric iron comprising:
  • a sole plate with a plurality of steam ports therein; a cover secured to said sole plate; a first steam generating chamber, being substantially linear, for generating a low velocity steam;
  • a second steam generating chamber independent of said first steam generating chamber having first a substantially smooth curved portion and second a tortuous portion for generating a high velocity steam;
  • a steam generating subassembly for an electric iron comprising:
  • heating element embodiedwith said sole plate, a portion of said heating element being generally U" shaped;
  • said first and second steam generating chambers being independent of each other and separately connected to said common outlet path.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Irons (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
US00366008A 1973-06-01 1973-06-01 Steam generating subassembly for electric iron Expired - Lifetime US3828452A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
US00366008A US3828452A (en) 1973-06-01 1973-06-01 Steam generating subassembly for electric iron
AU69041/74A AU488939B2 (en) 1973-06-01 1974-05-16 Steam generating subassembly for electric iron
CA200,237A CA1025762A (en) 1973-06-01 1974-05-17 Steam generating subassembly for electric iron
IT23157/74A IT1012801B (it) 1973-06-01 1974-05-24 Subassieme generatore di vapore per ferro da stiro elettrico
GB2342974A GB1444657A (en) 1973-06-01 1974-05-24 Electric steam iron
DE19742425900 DE2425900A1 (de) 1973-06-01 1974-05-30 Zusatzvorrichtung zur dampferzeugung fuer ein elektrisches buegeleisen
FR7418921A FR2231799B1 (enrdf_load_stackoverflow) 1973-06-01 1974-05-31
JP49061767A JPS5245835B2 (enrdf_load_stackoverflow) 1973-06-01 1974-05-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00366008A US3828452A (en) 1973-06-01 1973-06-01 Steam generating subassembly for electric iron

Publications (1)

Publication Number Publication Date
US3828452A true US3828452A (en) 1974-08-13

Family

ID=23441313

Family Applications (1)

Application Number Title Priority Date Filing Date
US00366008A Expired - Lifetime US3828452A (en) 1973-06-01 1973-06-01 Steam generating subassembly for electric iron

Country Status (7)

Country Link
US (1) US3828452A (enrdf_load_stackoverflow)
JP (1) JPS5245835B2 (enrdf_load_stackoverflow)
CA (1) CA1025762A (enrdf_load_stackoverflow)
DE (1) DE2425900A1 (enrdf_load_stackoverflow)
FR (1) FR2231799B1 (enrdf_load_stackoverflow)
GB (1) GB1444657A (enrdf_load_stackoverflow)
IT (1) IT1012801B (enrdf_load_stackoverflow)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919793A (en) * 1973-12-13 1975-11-18 Gen Electric Extra capacity steam iron
US4077143A (en) * 1973-12-13 1978-03-07 General Electric Company Steam iron
US4091551A (en) * 1976-10-28 1978-05-30 General Electric Company Extra capacity steam iron
US4594800A (en) * 1984-09-24 1986-06-17 Veit Gmbh & Co. Steam pressing iron sole plate structure
DE3545753A1 (de) * 1985-12-21 1987-06-25 Braun Ag Elektrisches dampfbuegeleisen
US5628131A (en) * 1995-12-18 1997-05-13 Black & Decker Inc. Steam surge system for an electric steam iron
US5704143A (en) * 1996-08-19 1998-01-06 Black & Decker Inc. Dual surge iron with steam generating areas
US5718071A (en) * 1997-01-10 1998-02-17 Black & Decker Inc. Steam iron with steam chamber ramp, puddle containment, and surge drying wall
WO2008012315A1 (en) * 2006-07-27 2008-01-31 De' Longhi Spa Ironing apparatus
CN107076407A (zh) * 2015-08-04 2017-08-18 皇家飞利浦有限公司 用于生成蒸汽的设备和方法
US11629453B2 (en) * 2020-03-04 2023-04-18 Conair Llc Garment steaming device

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4277900A (en) * 1980-04-04 1981-07-14 General Electric Company Iron steam chamber construction
FR2489859A1 (fr) * 1980-09-10 1982-03-12 Seb Sa Fer a repasser electrique a vapeur
DE3210243C2 (de) * 1982-03-20 1985-05-30 Rowenta-Werke Gmbh, 6050 Offenbach Elektrisch beheiztes Bügeleisen mit Schwallwassereinspritzung
DE3517018C2 (de) * 1985-05-11 1991-04-18 Rowenta-Werke Gmbh, 6050 Offenbach Verfahren und Vorrichtung zum Verschließen einer Dampfbügeleisen-Verdampfungskammer bei der Herstellung eines Dampfbügeleisens sowie ein beim Verfahren verwendbarer Bügeleisensohlkörper
GB8627734D0 (en) * 1986-11-20 1986-12-17 Black & Decker Inc Hand-held steam generating device
GB8814206D0 (en) * 1988-06-15 1988-07-20 Black & Decker Inc Improvements in/relating to steam generators
ES2350144B1 (es) * 2008-07-30 2011-11-16 Bsh Krainel, S.A Suela de planchado a vapor y dispositivo de planchado a vapor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3134182A (en) * 1962-03-20 1964-05-26 Glenn R Morton Steam iron base
US3304636A (en) * 1963-08-05 1967-02-21 Sunbeam Corp Heating and steam generating subassembly for a pressing iron
US3711972A (en) * 1971-11-05 1973-01-23 Westinghouse Electric Corp Steam iron

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE756196A (fr) * 1969-09-17 1971-03-16 Sunbeam Corp Fer a repasser utilisant la vapeur

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3134182A (en) * 1962-03-20 1964-05-26 Glenn R Morton Steam iron base
US3304636A (en) * 1963-08-05 1967-02-21 Sunbeam Corp Heating and steam generating subassembly for a pressing iron
US3711972A (en) * 1971-11-05 1973-01-23 Westinghouse Electric Corp Steam iron

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919793A (en) * 1973-12-13 1975-11-18 Gen Electric Extra capacity steam iron
US4077143A (en) * 1973-12-13 1978-03-07 General Electric Company Steam iron
US4091551A (en) * 1976-10-28 1978-05-30 General Electric Company Extra capacity steam iron
US4594800A (en) * 1984-09-24 1986-06-17 Veit Gmbh & Co. Steam pressing iron sole plate structure
DE3545753A1 (de) * 1985-12-21 1987-06-25 Braun Ag Elektrisches dampfbuegeleisen
US5628131A (en) * 1995-12-18 1997-05-13 Black & Decker Inc. Steam surge system for an electric steam iron
US5704143A (en) * 1996-08-19 1998-01-06 Black & Decker Inc. Dual surge iron with steam generating areas
US5718071A (en) * 1997-01-10 1998-02-17 Black & Decker Inc. Steam iron with steam chamber ramp, puddle containment, and surge drying wall
WO2008012315A1 (en) * 2006-07-27 2008-01-31 De' Longhi Spa Ironing apparatus
CN101512063B (zh) * 2006-07-27 2011-07-20 德隆奇有限公司 熨烫设备
CN107076407A (zh) * 2015-08-04 2017-08-18 皇家飞利浦有限公司 用于生成蒸汽的设备和方法
US20180142883A1 (en) * 2015-08-04 2018-05-24 Koninklijke Philips N.V. Device and method for generating steam
US10228126B2 (en) * 2015-08-04 2019-03-12 Koninklijke Philips N.V. Device and method for generating steam
CN107076407B (zh) * 2015-08-04 2020-06-12 皇家飞利浦有限公司 用于生成蒸汽的设备和方法
US11629453B2 (en) * 2020-03-04 2023-04-18 Conair Llc Garment steaming device

Also Published As

Publication number Publication date
FR2231799A1 (enrdf_load_stackoverflow) 1974-12-27
JPS5052392A (enrdf_load_stackoverflow) 1975-05-09
FR2231799B1 (enrdf_load_stackoverflow) 1979-08-03
IT1012801B (it) 1977-03-10
GB1444657A (en) 1976-08-04
CA1025762A (en) 1978-02-07
JPS5245835B2 (enrdf_load_stackoverflow) 1977-11-18
AU6904174A (en) 1975-11-20
DE2425900A1 (de) 1975-01-02

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AS Assignment

Owner name: PROCTOR-SILEX, INC. (F/K/A WESARY APPLIANCES, INC.

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:SCM CORPORATION;REEL/FRAME:004183/0101

Effective date: 19830915

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Owner name: CITICORP INDUSTRIAL CREDIT, INC., 641 LEXINGTON AV

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Effective date: 19830901

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Free format text: SECURITY INTEREST;ASSIGNORS:PROCTOR-SILEX, INC.;PROCTOR-SILEX CANADA INC.;REEL/FRAME:004260/0242

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Free format text: SECURITY INTEREST;ASSIGNOR:WEAREVER-PROCTORSILEX, INC., A DE CORP.;REEL/FRAME:004882/0085

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