GB556292A - Improvements in and relating to high frequency electric heating apparatus - Google Patents

Improvements in and relating to high frequency electric heating apparatus

Info

Publication number
GB556292A
GB556292A GB1030542A GB1030542A GB556292A GB 556292 A GB556292 A GB 556292A GB 1030542 A GB1030542 A GB 1030542A GB 1030542 A GB1030542 A GB 1030542A GB 556292 A GB556292 A GB 556292A
Authority
GB
United Kingdom
Prior art keywords
high frequency
electric heating
frequency electric
members
heating apparatus
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
Application number
GB1030542A
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.)
REDIFFUSION Ltd
Original Assignee
REDIFFUSION Ltd
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 REDIFFUSION Ltd filed Critical REDIFFUSION Ltd
Priority to GB1030542A priority Critical patent/GB556292A/en
Publication of GB556292A publication Critical patent/GB556292A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/46—Dielectric heating
    • H05B6/48—Circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Constitution Of High-Frequency Heating (AREA)

Abstract

556,292. High frequency electric heating. REDIFFUSION, Ltd., and ADORJAN, P. July 23, 1942, No. 10305. [Class 39 (iii)] In high frequency electric heating apparatus, e.g., for moulding plastics, industrial ovens, or therapeutical apparatus, employing a pair of spaced members 4, 5 between which material to be heated is located in a high frequency field, any variation in the distance between the members 4, 5 varies the electrical characteristics of the tuned circuit 7, 8, by varying the capacity between the members 4, 5. This is corrected and the tuning maintained by providing electrodes 12 movable with the member 4, associated with fixed electrodes 11, so that the total capacity remains unchanged by the movement. Other mechanical couplings between the plate 4 and the condenser may be employed, Figs. 2, 3 (not shown). In Fig. 4 a cam 25 on the plate 4 moves a rod 23 carrying the core 22 of a variable inductance.
GB1030542A 1942-07-23 1942-07-23 Improvements in and relating to high frequency electric heating apparatus Expired GB556292A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1030542A GB556292A (en) 1942-07-23 1942-07-23 Improvements in and relating to high frequency electric heating apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1030542A GB556292A (en) 1942-07-23 1942-07-23 Improvements in and relating to high frequency electric heating apparatus

Publications (1)

Publication Number Publication Date
GB556292A true GB556292A (en) 1943-09-28

Family

ID=9965420

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1030542A Expired GB556292A (en) 1942-07-23 1942-07-23 Improvements in and relating to high frequency electric heating apparatus

Country Status (1)

Country Link
GB (1) GB556292A (en)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2467782A (en) * 1947-09-20 1949-04-19 Westinghouse Electric Corp Dielectric heating means with automatic compensation for capacitance variation
US2467783A (en) * 1947-09-20 1949-04-19 Westinghouse Electric Corp Dielectric heating means and control therefor
US2473143A (en) * 1945-02-07 1949-06-14 Singer Mfg Co Electrostatic bonding machine
US2504969A (en) * 1946-07-06 1950-04-25 Girdler Corp High-frequency apparatus having two work-engaging electrodes and one adjustable electrode
US2504956A (en) * 1946-05-31 1950-04-25 Girdler Corp Combined heating electrodes and variable capacitor for dielectric heating
US2504955A (en) * 1945-06-01 1950-04-25 Girdler Corp High-frequency treating system for dielectric materials
US2516324A (en) * 1946-02-15 1950-07-25 Rca Corp Constant potential gradient dielectric heating device
US2522823A (en) * 1946-04-16 1950-09-19 Union Special Machine Co Automatic tuning of high-frequency electrical seaming apparatus
US2546784A (en) * 1948-02-12 1951-03-27 Remington Rand Inc Punch tape sensing condenser
US2572226A (en) * 1947-04-24 1951-10-23 Raytheon Mfg Co Welding of thermoplastic materials with application of highfrequency dielectric energy and pressure
US2629812A (en) * 1947-09-20 1953-02-24 Westinghouse Electric Corp Adjustable dielectric heating equipment
US2678994A (en) * 1951-03-30 1954-05-18 Armstrong Cork Co High-frequency power control device
US2721924A (en) * 1952-04-17 1955-10-25 Armstrong Cork Co Dielectric heating device for the edge gluing
US2723334A (en) * 1951-04-14 1955-11-08 Westinghouse Electric Corp Dielectric heating
US2732474A (en) * 1956-01-24 ellsworth
US2732473A (en) * 1956-01-24 ellsworth
US2747067A (en) * 1953-08-13 1956-05-22 Nat Cylinder Gas Co Voltage determining arrangement for dielectric heaters
US2765388A (en) * 1953-03-30 1956-10-02 Nat Cylinder Gas Co Apparatus for controlling oscillator grid drive
US2783345A (en) * 1954-03-26 1957-02-26 Nat Cylinder Gas Co High-frequency heating applicators
US2824940A (en) * 1953-10-14 1958-02-25 North American Philps Company High-frequency heating device
US3281566A (en) * 1963-11-27 1966-10-25 Weldotron Corp Electronic wood gluing and plastic bonding apparatus

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2732474A (en) * 1956-01-24 ellsworth
US2732473A (en) * 1956-01-24 ellsworth
US2473143A (en) * 1945-02-07 1949-06-14 Singer Mfg Co Electrostatic bonding machine
US2504955A (en) * 1945-06-01 1950-04-25 Girdler Corp High-frequency treating system for dielectric materials
US2516324A (en) * 1946-02-15 1950-07-25 Rca Corp Constant potential gradient dielectric heating device
US2522823A (en) * 1946-04-16 1950-09-19 Union Special Machine Co Automatic tuning of high-frequency electrical seaming apparatus
US2504956A (en) * 1946-05-31 1950-04-25 Girdler Corp Combined heating electrodes and variable capacitor for dielectric heating
US2504969A (en) * 1946-07-06 1950-04-25 Girdler Corp High-frequency apparatus having two work-engaging electrodes and one adjustable electrode
US2572226A (en) * 1947-04-24 1951-10-23 Raytheon Mfg Co Welding of thermoplastic materials with application of highfrequency dielectric energy and pressure
US2467783A (en) * 1947-09-20 1949-04-19 Westinghouse Electric Corp Dielectric heating means and control therefor
US2467782A (en) * 1947-09-20 1949-04-19 Westinghouse Electric Corp Dielectric heating means with automatic compensation for capacitance variation
US2629812A (en) * 1947-09-20 1953-02-24 Westinghouse Electric Corp Adjustable dielectric heating equipment
US2546784A (en) * 1948-02-12 1951-03-27 Remington Rand Inc Punch tape sensing condenser
US2678994A (en) * 1951-03-30 1954-05-18 Armstrong Cork Co High-frequency power control device
US2723334A (en) * 1951-04-14 1955-11-08 Westinghouse Electric Corp Dielectric heating
US2721924A (en) * 1952-04-17 1955-10-25 Armstrong Cork Co Dielectric heating device for the edge gluing
US2765388A (en) * 1953-03-30 1956-10-02 Nat Cylinder Gas Co Apparatus for controlling oscillator grid drive
US2747067A (en) * 1953-08-13 1956-05-22 Nat Cylinder Gas Co Voltage determining arrangement for dielectric heaters
US2824940A (en) * 1953-10-14 1958-02-25 North American Philps Company High-frequency heating device
US2783345A (en) * 1954-03-26 1957-02-26 Nat Cylinder Gas Co High-frequency heating applicators
US3281566A (en) * 1963-11-27 1966-10-25 Weldotron Corp Electronic wood gluing and plastic bonding apparatus

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