US2097581A - Electric steam generator - Google Patents

Electric steam generator Download PDF

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Publication number
US2097581A
US2097581A US7188236A US2097581A US 2097581 A US2097581 A US 2097581A US 7188236 A US7188236 A US 7188236A US 2097581 A US2097581 A US 2097581A
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mass
metal
tubing
steam
end
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Beyrodt Kurt
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ELECTRIC STEAM STERILIZING COM
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ELECTRIC STEAM STERILIZING COM
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00Methods of steam generation characterised by form of heating method
    • F22B1/28Methods of steam generation characterised by form of heating method in boilers heated electrically
    • F22B1/282Methods of steam generation characterised by form of heating method in boilers heated electrically with water or steam circulating in tubes or ducts

Description

Patented Nov. 2, 1937 UNITED STATES PATENT oFFicE ELECTRIC STEAM GENERATOR Kurt Beyrodt, Hartford, Conn., assignor to Electric Steam sterilizing Company, Inc, New York, N. Y., a corporation of Delaware Application March 31, 1936, Serial No. 71,882

3 Claims. (01. 21939) This invention relates to an improvement in lines in Fig. 3. This is a commercial control deelectric steam generators, and has for one of its vice, and it will be understood when the disc I! objects the provision of such an apparatus which is in the full line position of Fig. 3 the circuit is more efficient and quicker in operation than to the heating element is open, and that when the prior devices. disc is in the dotted line position of Fig. 3 the cir- 5 Both the feedwater inlet and steam discharge in cuit to the heating element is closed.

this apparatus are at the top. This is of material Cast into the metal mass 4 is water tubing 18.

advantage in avoiding bumping and surging and The inlet end of this tubing, designated l9, ex-

in speed of operation. tends into the metal mass near the top thereof Means are provided for automatically mainand extends helically of the metal mass to the taining a pr d r d t mp ra u setting, lower end thereof. The lower end of the tubing is 10 while the circuit for the heating unit is automatibent back upon itself and terminates in a chamcally closed whenever feed-Water is supplied to the her 2| in the center of the metal mass. This apparatus. chamber has a larger cross-sectional area than e pp s as a Whole is a ively ine the tubing, reducing the velocity of the steam pensive to manufacture, low in maintenance, effipassing upwardly through the tubing to the 15 Cient in Operation a Particularly W611 adapted chamber so that water contained therein can drop for use wherever space is limited and where small t th b tt of th chamber to be evaporated.

I10 flash p y is required- 22 designates a discharge pipe or tubing extend- In he a mp y wi Where an ing from the chamber 2| upwardly through the bodiment of my invention has been illustrated: t u mass 4 t a point near t top thereof 20 1 ShOWS y invention in Sectional elevawhere it is bent outwardly and upwardly, finally tion; being brought out through the top of the vacuum Fig. 2 is a section on the line 22 of Fig. 1; and jar where it is designated 23. Fig. 3 shows the thermostatic heat control ap- The lower end of the tubing 22 is closed, steam 25 paratus. entering the tubing through side slots 24, chang- 25 Referring to the r w n detail, I designates ing the direction of flow of the steam and fura Va uu j mounted Within a metal Casing 2 ther insuring against water passing to the steam from which it is insulated by asbestos, felt or the outlet. like 3. Adjacent the top of the apparatus I reduce the Within this jar l is mounted a metal mass 4 exheat conducting area of the metal mass 4 by 0 tending approximately from top to bottom of the grooving the same as shown at 25 and filling the jar and heat insulated therefrom by powdered groove with asbestos or other suitable heat inmagnesia or other suitable material 5. sulator.

6 designates a heating unit in the form of a It will be appreciated from the foregoing that 35 double helix of resistance Wire cast into the metal my invention provides an electric steam generator mass 4. The two ends of the heating element terin which the feedwater is supplied to the evapominate at or adjacent the upper end of the metal rating surface at the top of the apparatus, the mass as shown at I and 8, a conductor 9 leading water flowing downwardly by gravity through a from outside the apparatus being connected to I, hotter and hotter part of the apparatus. This 40 while conductor [0 from outside the apparatus is in conjunction with the reduced heat conducting connected through the fuse l I and the thermoarea just mentioned tends to reduce bumping and static switch l2 of Fig. 3 to the end or terminal surging. 8. The fuse I I, it will be understood, is a safety It will be understood also that the thermostatic device preventing excessive temperature rise in control herein described is arranged so that the 5 the apparatus. If the thermostatic switch I2 for metal mass will be maintained at a predetermined example should stick closed, when the apparatus temperature and so that the circuit to the heating under these conditions reaches a predetermined element will be closed whenever feedwater is suptemperature, the fuse II will melt and open the plied to the apparatus. heating circuit. It will be understood that changes may be made 50 The thermostatic switch I2 is mounted in a box in the details of construction and arrangement of I3 at the top of the metal mass 4, and comprises parts within the purview of my invention. a disc I 4 mounting a plurality of contacts 15 coop- What I claim is: crating with contacts [6 on a bimetal disc I! when 1. An electric steam generator comprising in 5a the disc buckles o the position shown in dotted combination a, metal mass having a heating element and water'evaporating tubing disposed helically thereof and embedded therein, said'metal mass being provided internally adjacent its lower end with a chamber of larger cross section than said tubing, the said tubing adjacent its lower end being bent back upon itself and terminating in said chamber, an extension of said tubing extending upwardly from said chamber to the upper end of the apparatus to provide a steam outlet."

2. An electric steam generator comprising in combination a metal mass having a heating element and water evaporating tubing disposed helically thereof and embedded therein, said metal mass being provided internally adjacent its lower end with a chamberoof larger cross section than said tubing, the'said tubing adjacent its lower end being bent back. upon itself andterminating in said chamber; an extension of said tubing extending upwardly from said chamber from a point above the bottom of the chamber to the upper end of the apparatus to provide a steam outlet, the lower end of this extension being closed and slots being provided in the sides of the tubing for the entry of steam thereinto.

3. An electric steam generator, comprising in combination a metal mass provided with tubing and with an electric heating element disposed helically about the metal mass adjacent each other, the tubing and heating elementbeing embedded in the metal mass, terminals at the upper end of the metal mass for the heating element, the lower end of the tubing being bent back upon itself to extend upwardly of the metal mass, terminating in a chamber provided internally of the metal mass, an extension of said tubing extending from the upper part of said chamber through the mass to the exterior of the apparatus, and a temperature control device mounted at the top of the metal mass adapted to maintain the metal mass at a predetermined temperature and to close the circuit of the heating element when feedwater is supplied to the apparatus.

KURT BEYRODT.

US2097581A 1936-03-31 1936-03-31 Electric steam generator Expired - Lifetime US2097581A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2673920A (en) * 1950-07-20 1954-03-30 Heat X Changer Co Inc Electric heater for water or the like
US2801322A (en) * 1955-12-27 1957-07-30 American Mach & Foundry Decomposition chamber for monopropellant fuel
US3990987A (en) * 1975-10-01 1976-11-09 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Smoke generator
US4032748A (en) * 1975-10-10 1977-06-28 Innovative Process Equipment, Inc. Scale deposit removal arrangement for electric water heaters and vaporizers
DE3322077A1 (en) * 1983-06-20 1985-01-10 Arthur Peter Fa Device for generating a steam jet
US4572943A (en) * 1982-02-22 1986-02-25 Acela Pump Ab Electrical steam generator for intermittent operation
US20040197090A1 (en) * 2002-11-22 2004-10-07 Honda Motor Co., Ltd. Heat storage apparatus
US20070187389A1 (en) * 2006-02-13 2007-08-16 Li-Yuan Chiang Steam generating device
US20080271608A1 (en) * 2004-11-29 2008-11-06 Seb S.A. Brewing Beverage Dispenser Comprising an Improved Boiler and a Method for the Production Thereof

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2673920A (en) * 1950-07-20 1954-03-30 Heat X Changer Co Inc Electric heater for water or the like
US2801322A (en) * 1955-12-27 1957-07-30 American Mach & Foundry Decomposition chamber for monopropellant fuel
US3990987A (en) * 1975-10-01 1976-11-09 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Smoke generator
US4032748A (en) * 1975-10-10 1977-06-28 Innovative Process Equipment, Inc. Scale deposit removal arrangement for electric water heaters and vaporizers
US4572943A (en) * 1982-02-22 1986-02-25 Acela Pump Ab Electrical steam generator for intermittent operation
DE3322077A1 (en) * 1983-06-20 1985-01-10 Arthur Peter Fa Device for generating a steam jet
US20040197090A1 (en) * 2002-11-22 2004-10-07 Honda Motor Co., Ltd. Heat storage apparatus
US7035532B2 (en) * 2002-11-22 2006-04-25 Honda Motor Co., Ltd. Heat storage apparatus with spiral electrically heated phase change material
US20080271608A1 (en) * 2004-11-29 2008-11-06 Seb S.A. Brewing Beverage Dispenser Comprising an Improved Boiler and a Method for the Production Thereof
US20070187389A1 (en) * 2006-02-13 2007-08-16 Li-Yuan Chiang Steam generating device
US7577343B2 (en) * 2006-02-13 2009-08-18 Li-Yuan Chiang Steam generating device

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