US2637126A - Electric iron - Google Patents

Electric iron Download PDF

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Publication number
US2637126A
US2637126A US218044A US21804451A US2637126A US 2637126 A US2637126 A US 2637126A US 218044 A US218044 A US 218044A US 21804451 A US21804451 A US 21804451A US 2637126 A US2637126 A US 2637126A
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US
United States
Prior art keywords
boiler
iron
steam
sole plate
reservoir
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
US218044A
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English (en)
Inventor
Richard R Fitzsimmons
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 Co
Original Assignee
Hoover Co
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
Priority to BE510241D priority Critical patent/BE510241A/xx
Application filed by Hoover Co filed Critical Hoover Co
Priority to US218044A priority patent/US2637126A/en
Application granted granted Critical
Publication of US2637126A publication Critical patent/US2637126A/en
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

  • This invention relates to electric irons and more particularly to an electrically heated steam iron which is readily convertible to' dry ironing.
  • the present invention relates more particu ⁇ larly to a readily replaceable steam generating and distributing vessel for a steam iron. designed as a replacement part for replacement. by servicemen when the interior of the' vessel becoines encrusted with lime deposits during use.
  • the vessel ci the present' invention incldes super ⁇ heating passages and traps in which any un# evaporated Water leaving the flash boilerv proper is evaporated so that dry siperheajted steam is supplied tothe ironing surface oi theJ i'ron.
  • tapA water contains salts Stich as calcium salts which, when the water is evaporated', are deposited on the surface or the boiler and steam passages.
  • salts Stich as calcium salts which, when the water is evaporated', are deposited on the surface or the boiler and steam passages.
  • the flash boiler and steam passages will' eventually becoine coated with lime deposits to such an extent that the passages will eventually' become' clogged, if not periodically cleaned.
  • the boiler and steam passages are readily separable from ⁇ they iron proper so that when excessiveV lime ⁇ de'- posits have formed' the boiler may be readily replaced and the old* one' ⁇ discarded orl reconditioned for reuse.
  • the sole" plate is preferably made of aluminum' and' the bottom of the boiler in heat exchange relationship therewith may be made of any good heat conducting material which may bereadily cast or stamped to its exact" dimensions by' niass piro:- duction methods;
  • thegn'a'sliboiler including the steam passagetva'ys is poi sitioned on topof the normally hotv upper? sur? face of the sole plate.whielrresults/inthreeirni-Y portant advantages. l
  • the boiler is positioned between the sole plate proper and the water reservoirht'o isolatethe latter from the heat or the sole plate by a; layer of steam when the iron isused as ai steam iron and by an air chamber when the iron is used as a dry iron.
  • the handle and the water reservoir are readily removable as av uniti to' provide for the ready removal of the vessel from the .sole plate.
  • TheV bolt which holds the handle raservoir assembly to. the' sole platernaintairrsa tig'lrl"I joint between the valve assembly and the' duct leading directly to the flash' boiler proper;
  • the cover plate for the boiler proper is made of poor heat conducting material so that the upper surface ci the boiler will be sub? stantially below the temperature or thefstearri passing through the passageways therein tojfnr- ⁇ ther isolate the Water reservoir from' the heat of the sole plate.
  • Figure 1 is a sideview ci'V an" electric i'ron, p ⁇ air' tia'lly in section, showing thev present ini/eruzionil
  • Figure 2 is a sectional View takenf on lineff-" of Fig. 1J looking in the direction' of the arrows;
  • Figure e is an exploded' View 0f the replaceable vessel o f the present invention.
  • the reference' numeral' fil represents' the sol'e plate proper which" may be made oi aluminum and having ametal encased heater Il' cast therein preferably in al lj2 L extending VupWandly from theupper surface of the sole plate.
  • the heater lil' is ⁇ oi general U- shape; having itsybight or, nexusjadjacent the tce'of the iron and its"legs ⁇ extending backwardly to the rear of the sole plateadja'ce'nt the opposite side edgesthereof.
  • Theftwo" parts i ii' and 23' areprefeiably made of goed heat conducting' metal such" as" aluminum; copper, brass/or bronze; f
  • Thebottom" part [5i has an upwardly entendi- ⁇ ing bulge lain its bottom or a Snape' and size to closely t in good heat exchange relationship with the rib I2 in which the heater II is embedded, and an upwardly extending side wall Il to which rear and front clamping lugs I8 and I9 are brazed, soldered, or otherwise secured.
  • the rear lug I8 ts beneath the spring element 20 screwed or otherwise secured to the sole plate I and a clamping clip 2I fits over the front lug I9 to clamp the boiler I4 tightly to the sole plate I0, by means of the screw 22.
  • the separator 23 comprises a U-shaped wall 24 spaced from the wall Il of the bottom part I5 to form a pair of steam distributing ducts 25, the bottom part I being provided with openings 26 communicating with steam discharge ports 26' extending through the sole plate i5 to the ironing surface thereof and with ducts 25. While the ducts have been shown connected at their front ends it is within the purview of this invention to form them as separate ducts.
  • the part I5 are a plurality of staggered bailles 21 having their alternate ends spaced from the wall 24 to form a tortuous steam superheating passage 23 and at the front a iiash boiler proper 29.
  • the rear ends of the legs of the wall 24 are cut away at 30 and 3
  • the superheating passage 28 passes directly over the bulge I5 which is in direct heat exchange relationship with the heater, the end of the baffles being cut away to intert with the bulge I5. that the bulge I6 forms traps at the ends of the juxtaposed passages formed by baffles 2l so that any unevaporated water reaching those points will be trapped and evaporated the bulge I6 being in direct heat exchange relationship with the heater II.
  • a cover plate 32 made of poor heat conducting material such as hard rubber, Bakelite or stainless steel, is bolted to the flange 33 of bottom part I5 by bolts 34.
  • a sealing gasket 35 of cork or other suitable heat resistant material is positioned between the mating surfaces of the flange 33 and cover plate 32, it being noted that the baboards 2'I extend above the surface of the flange 33 in order to compensate for the space occupied by the gasket 35.
  • the cover plate 32 is provided with an opening 36 immediately above the flash boiler 29. At its upper end the opening is of tapered formation as indicated at 3l to cooperate with the tapered lower end 38 of a valve body 39, a conical heat resistant gasket 40 being interposed between the two surfaces.
  • the valve body 39 is suitably secured in an opening in the bottom wall of a water reservoir 4I, held by brackets 42 and 43, beneath a cover shell 44 which extends downwardly about the peripheral edges of sole plate ID.
  • the reservoir 4I is provided with an upwardly extending dome 45 surrounded by a compression spring 46 tting between the lower wall of an upwardly extending protuberance 41 in cover shell 44 and the top of the reservoir 4I to normally hold the mating surfaces 3'I and 38 against the gasket 46 when the iron is assembled.
  • valve stem 48 adapted to close the opening 49 in valve body 39, is housed within a valve stem housing 50 suitably secured to dome 45 as by a clamping nut 5I.
  • the valve stem 48 may be screw threaded to the interior of the housing 58 It is also noted l.
  • valve stem 48 may be adjusted relative to the opening 49 in the valve body 39 or may be seated in that opening to close off communication between the reservoir 4I and the flash boiler 29 when the iron is to be used as a dry iron.
  • the valve stem 48 is also adjustable relative to its valve seat to control the rate of flow of water to the flash boiler 29 when the iron is used as a steam iron.
  • a handle 53 having a hollow front leg 54, to receive the valve stem housing 58 and the knob 52 and a rear leg 55 is secured to the cover shell 44 by brackets 56 and 51, the former extending upwardly into the recess in the front leg 54 and the latter extending upwardly into a recess in the rear leg 55.
  • the cover shell 44 is extended rearwardly beyond the sole plate I0 at 58, which extension cooperates with the top rear 59 of handle 53 to form supports upon which the iron may be supported on its heel when not in use.
  • the knob 52 and valve stem 50 are of hollow formation and the interior of the latter communicates with the interior of the reservoir 4I so that water can be poured into the reservoir when the iron is resting on the sole plate I0.
  • the arrangement is such that the opening 49 will be above the water level in the reservoir 4I when the iron is tipped backwardly on its heels on supports 58 and 59 when not in use.
  • Electricity is supplied to the heater II by conductor cords 6B which extend through the rear leg 55 of handle 53 in a manner well known in the art.
  • the cords 66 are attached to terminals 5I, one of which is connected to one end of the heater resistance and the other to a temperature control thermostat B2, the other end of which is connected to the other end of the heater resistance.
  • the terminals 6I are clamped in place by a bracket 63 having an upwardly extending support 64 to which the rear of the cover shell 44 is attached by means of screw 65. At its midpoint the cover shell 44 is secured to a post 66 extending upwardly from the sole plate I0 by means of a screw 6'I.
  • a closure plate 68 is attached to the extension 58 of the cover shell by a screw 69 to provide access to terminals 6I.
  • a control shaft "I5 extends upwardly through an opening in the cover shell 44 and has a control knob 'II detachably secured thereto.
  • boiler I4 has been shown as extending backwardly to adjacent the post 66 it is to be understood that it may be extended backwardly along each side of the post and along each side of the thermostat 62. It may also be provided with an opening through which the post 66 extends.
  • the sole plate is cast with the heater II embedded in the rib I2, the discharge ports 26' drilled and the ironing surface of the sole plate polished.
  • the control thermostat 62, control shaft 10, terminals 6I, bracket 63 and post 66 are then assembled to the sole plate I8.
  • the boiler I4 is formed as previously explained and the gasket 35, and cover plate 32 assembled thereto.
  • the valve body 39, valve stem housing 50, valve stem 48 are assembled to the reservoir 4I.
  • the end 68 of conductor cord is assembled to a rear leg 55 of handle 53.
  • the cover shell 44 is secured to the front and rear legs 54 and 55 of handle 53 by brackets 56 and 57.
  • the spring 46 is assembled over dome 4l', the r -ei-ueisvoirc 4
  • the boiler irlu is then attached to the sole plate lll by theI bracketsV 2D and 2
  • the handle-cover shell-reservoir assembly is then assembled over the sole plate-boiler-assembly by applying the screws 6'5 and Eil which will cause the spring 4B to press the reservoir 4
  • the cover plate E8 may then be assembled by screw 69 after the connections have been made between the cord 60 and the terminals 6
  • the control knobs 52 and 'll are then applied to the valve stem 48 and to the control shaft '10, completing the assembly.
  • the control knob 52 is adjusted so that the valve is opened the proper distance to supply the proper quantity of steam for the fabric being ironed and the control knob 'il adjusted to the proper temperature for that fabric.
  • the iron is tilted forwardly on the sole plate water will automatically drip into the ash boiler 29 and be flashed into steam which will flow backwardly through the superheating passageways 28 between the baffles 21, outwardly through the openings 3b and 3l into the steam ducts 25 and through the openings 26 and 26' to the fabric being ironed.
  • control knob 52 When it is desired to use the iron as a dry iron the control knob 52 is operated to close the valve to completely shut olf the flow of water to the flash boiler 29 and the thermostatic control knob 'H adjusted to the proper temperature for the fabric to be ironed.
  • this inassale@ vention provides ,a simple replaceable vessel for a; Steamironwhch caribe easily replaced by a new One and the old one discarded. or reconditioned. for reuse.v Additionally,4 the handle-cover shell.- reservoir assembly issuch that a sealing contact is automatically made between the. valve body and the openingA in thel cover. plate leading tothe hash boiler proper by the, mere attachment of that assenibly to the sole, plate. By such ani arrangement no lifting,A stress is applied to theA boiler proper as the ironisI movedabout.
  • said land forms a depressed portion centrally of said sole plate and a depressed portion over said steam emitting openings and said steam generating and distributing vessel interts with said depressed portions and land in such a manner that said steam distributing ducts are in heat exchange relationship with the inner, top and outer sides of said land.
  • a sole plate a heating element therefor, a steam generating and distributing vessel detachably secured to said sole plate in heat exchange with said heating element, a flash boiler formed in said Vessel, and a handlecover shell-water reservoir assembly detachably secured to said sole plate independently of said Vessel, said vessel and reservoir having mating water delivering connections above said flash boiler which are held in mating relationship when said handle-cover shell-water reservoir assembly is attached to said sole plate.
  • a steam generating and distributing vessel for detachable connection to the sole plate of an electrically heated iron comprising, a dish shaped bottom member having its lower surface formed to intert with the top surface of said sole plate, a separator interiorly of said bottom member, said separator including a U-shaped wall spaced from the side walls of said bottom member to form a pair of forwardly extending steam conducting passages and staggered transversely extending walls forming a front flash boiler and a rearwardly extending tortuous steam superheating passage communicating at its rear end through said U-shaped wall with said forwardly extending steam conducting passages and a cover plate detachably secured to the open top of said vessel and overlying said flash boiler and said steam passages.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Irons (AREA)
US218044A 1951-03-28 1951-03-28 Electric iron Expired - Lifetime US2637126A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BE510241D BE510241A (US20100056889A1-20100304-C00004.png) 1951-03-28
US218044A US2637126A (en) 1951-03-28 1951-03-28 Electric iron

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US218044A US2637126A (en) 1951-03-28 1951-03-28 Electric iron

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BE (1) BE510241A (US20100056889A1-20100304-C00004.png)

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2750690A (en) * 1953-01-21 1956-06-19 Mcgraw Electric Co Steam iron
US2793449A (en) * 1955-02-17 1957-05-28 Hoover Co Steam iron
US2803072A (en) * 1952-05-22 1957-08-20 Hoover Co Mounting structure for steam iron reservoir
US2810971A (en) * 1954-06-23 1957-10-29 Richard H Cook Electric ironer
US2815592A (en) * 1954-02-24 1957-12-10 Mcgraw Edison Electric Company Steam iron
DE1033629B (de) * 1956-03-08 1958-07-10 Thomson Houston Comp Francaise Elektrisches Dampfbuegeleisen
US2887799A (en) * 1956-06-04 1959-05-26 American Electrical Heater Co Steam iron
US2906043A (en) * 1955-04-29 1959-09-29 Sunbeam Corp Pressing iron
US2908092A (en) * 1955-10-10 1959-10-13 Proctor Mfg Corp Steam iron
US2918739A (en) * 1957-05-02 1959-12-29 Whirlpool Co Flatirons
US3191518A (en) * 1962-06-11 1965-06-29 Toastswell Co Inc Food freshening apparatus
DE1206842B (de) * 1960-08-15 1965-12-16 Licentia Gmbh Dampfbuegeleisen
US4057918A (en) * 1975-07-11 1977-11-15 Zeier H Steam iron
US4285145A (en) * 1979-06-25 1981-08-25 General Electric Company Thermostat and iron assembly
EP0164975A2 (en) * 1984-06-01 1985-12-18 Matsushita Electric Industrial Co., Ltd. Electric iron
US4716276A (en) * 1983-09-05 1987-12-29 Sanyei Corp. Electric steam iron having a detachable handle
EP0269368A2 (en) * 1986-11-20 1988-06-01 Black & Decker Inc. Wallpaper steamer
EP0347196A1 (en) * 1988-06-15 1989-12-20 Black & Decker Inc. Improvements in or relating to steam generators
DE4134963A1 (de) * 1991-10-23 1993-04-29 Braun Ag Buegeleisen mit einer dampfkammer
US5345704A (en) * 1992-05-15 1994-09-13 Moulinex (Societe Anonyme) Steam iron with removable calcification receptacle
US5430963A (en) * 1993-11-23 1995-07-11 Kuo-Chu; Chien Iron including pressurizing and emitting steam chambers and remote reservoir
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
US20070157493A1 (en) * 2003-12-16 2007-07-12 Zhenhua Yu Steam iron having a lightweight soleplate and flat resistive heating tracks for heating the soleplate
US20090000162A1 (en) * 2007-06-29 2009-01-01 Yueli Electrical Appliance Co., Ltd. Electric steam iron
US9719675B2 (en) * 2013-07-25 2017-08-01 Koninklijke Philips N.V. Apparatus for generating steam
US20170260684A1 (en) * 2014-09-17 2017-09-14 Koninklijke Philips N.V. Steam device
US20170307209A1 (en) * 2015-12-30 2017-10-26 Koninklijke Philips N.V. Apparatus for generating steam
US20170320467A1 (en) * 2014-11-14 2017-11-09 Nippon Wiper Blade Co., Ltd. Wiper arm
CN109371648A (zh) * 2018-12-14 2019-02-22 宁波凯波智能熨烫电器制造有限公司 具有双入水口的化汽锅炉及蒸汽刷
CN114318821A (zh) * 2021-10-21 2022-04-12 宁波浩嘉电器有限公司 一种蒸发器的蒸汽生成方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE21632E (en) * 1938-03-05 1940-11-26 Electbic steam iron
US2313382A (en) * 1938-10-15 1943-03-09 Merrill M Kistner Steam hand iron
US2475572A (en) * 1948-01-27 1949-07-05 Edward P Schreyer Electric steam iron
US2483816A (en) * 1945-03-21 1949-10-04 Westinghouse Electric Corp Flash type steam iron construction
US2485664A (en) * 1948-12-27 1949-10-25 John C Hockery Heat exchange apparatus
US2499184A (en) * 1946-09-11 1950-02-28 Gen Electric Steam generating electric pressing iron
US2506941A (en) * 1949-07-07 1950-05-09 John C Hockery Steam iron

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE21632E (en) * 1938-03-05 1940-11-26 Electbic steam iron
US2313382A (en) * 1938-10-15 1943-03-09 Merrill M Kistner Steam hand iron
US2483816A (en) * 1945-03-21 1949-10-04 Westinghouse Electric Corp Flash type steam iron construction
US2499184A (en) * 1946-09-11 1950-02-28 Gen Electric Steam generating electric pressing iron
US2475572A (en) * 1948-01-27 1949-07-05 Edward P Schreyer Electric steam iron
US2485664A (en) * 1948-12-27 1949-10-25 John C Hockery Heat exchange apparatus
US2506941A (en) * 1949-07-07 1950-05-09 John C Hockery Steam iron

Cited By (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2803072A (en) * 1952-05-22 1957-08-20 Hoover Co Mounting structure for steam iron reservoir
US2750690A (en) * 1953-01-21 1956-06-19 Mcgraw Electric Co Steam iron
US2815592A (en) * 1954-02-24 1957-12-10 Mcgraw Edison Electric Company Steam iron
US2810971A (en) * 1954-06-23 1957-10-29 Richard H Cook Electric ironer
US2793449A (en) * 1955-02-17 1957-05-28 Hoover Co Steam iron
US2906043A (en) * 1955-04-29 1959-09-29 Sunbeam Corp Pressing iron
US2908092A (en) * 1955-10-10 1959-10-13 Proctor Mfg Corp Steam iron
DE1155085B (de) * 1955-10-10 1963-10-03 Proctor Mfg Corp Dampfbuegeleisen
DE1033629B (de) * 1956-03-08 1958-07-10 Thomson Houston Comp Francaise Elektrisches Dampfbuegeleisen
US2887799A (en) * 1956-06-04 1959-05-26 American Electrical Heater Co Steam iron
US2918739A (en) * 1957-05-02 1959-12-29 Whirlpool Co Flatirons
DE1206842B (de) * 1960-08-15 1965-12-16 Licentia Gmbh Dampfbuegeleisen
US3191518A (en) * 1962-06-11 1965-06-29 Toastswell Co Inc Food freshening apparatus
US4057918A (en) * 1975-07-11 1977-11-15 Zeier H Steam iron
US4285145A (en) * 1979-06-25 1981-08-25 General Electric Company Thermostat and iron assembly
US4716276A (en) * 1983-09-05 1987-12-29 Sanyei Corp. Electric steam iron having a detachable handle
EP0164975A2 (en) * 1984-06-01 1985-12-18 Matsushita Electric Industrial Co., Ltd. Electric iron
EP0164975A3 (en) * 1984-06-01 1987-08-19 Matsushita Electric Industrial Co., Ltd. Electric iron
EP0269368A3 (en) * 1986-11-20 1989-12-20 Black & Decker Inc. Wallpaper steamer
EP0269368A2 (en) * 1986-11-20 1988-06-01 Black & Decker Inc. Wallpaper steamer
US4990745A (en) * 1988-06-15 1991-02-05 Black & Decker Inc. Steam generators
AU616527B2 (en) * 1988-06-15 1991-10-31 Black & Decker Incorporated Improvements in or relating to steam generators
EP0347196A1 (en) * 1988-06-15 1989-12-20 Black & Decker Inc. Improvements in or relating to steam generators
DE4134963A1 (de) * 1991-10-23 1993-04-29 Braun Ag Buegeleisen mit einer dampfkammer
US5345704A (en) * 1992-05-15 1994-09-13 Moulinex (Societe Anonyme) Steam iron with removable calcification receptacle
US5430963A (en) * 1993-11-23 1995-07-11 Kuo-Chu; Chien Iron including pressurizing and emitting steam chambers and remote reservoir
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
US7516566B2 (en) * 2003-12-16 2009-04-14 Koninklijke Philips Electronics N.V. Steam iron having a lightweight soleplate and flat resistive heating tracks for heating the soleplate
US20070157493A1 (en) * 2003-12-16 2007-07-12 Zhenhua Yu Steam iron having a lightweight soleplate and flat resistive heating tracks for heating the soleplate
US20090000162A1 (en) * 2007-06-29 2009-01-01 Yueli Electrical Appliance Co., Ltd. Electric steam iron
US7673404B2 (en) * 2007-06-29 2010-03-09 Yueli Electrical Appliance Co., Ltd. Electric steam iron
US9719675B2 (en) * 2013-07-25 2017-08-01 Koninklijke Philips N.V. Apparatus for generating steam
US20170260684A1 (en) * 2014-09-17 2017-09-14 Koninklijke Philips N.V. Steam device
JP2017528221A (ja) * 2014-09-17 2017-09-28 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 蒸気装置
US10287725B2 (en) * 2014-09-17 2019-05-14 Koninklijke Philips N.V. Steam device
US20170320467A1 (en) * 2014-11-14 2017-11-09 Nippon Wiper Blade Co., Ltd. Wiper arm
US20170307209A1 (en) * 2015-12-30 2017-10-26 Koninklijke Philips N.V. Apparatus for generating steam
US10330308B2 (en) * 2015-12-30 2019-06-25 Koninklijke Philips N.V. Apparatus for generating steam
CN109371648A (zh) * 2018-12-14 2019-02-22 宁波凯波智能熨烫电器制造有限公司 具有双入水口的化汽锅炉及蒸汽刷
CN114318821A (zh) * 2021-10-21 2022-04-12 宁波浩嘉电器有限公司 一种蒸发器的蒸汽生成方法

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