GB1068119A - Improvements in or relating to power supply apparatus - Google Patents

Improvements in or relating to power supply apparatus

Info

Publication number
GB1068119A
GB1068119A GB40156/65A GB4015665A GB1068119A GB 1068119 A GB1068119 A GB 1068119A GB 40156/65 A GB40156/65 A GB 40156/65A GB 4015665 A GB4015665 A GB 4015665A GB 1068119 A GB1068119 A GB 1068119A
Authority
GB
United Kingdom
Prior art keywords
current
voltage
furnace
derived
signal
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
GB40156/65A
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.)
Temescal Metallurgical Corp
Original Assignee
Temescal Metallurgical 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 Temescal Metallurgical Corp filed Critical Temescal Metallurgical Corp
Publication of GB1068119A publication Critical patent/GB1068119A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
    • B05B7/1404—Arrangements for supplying particulate material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/24—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
    • H01J37/241—High voltage power supply or regulation circuits

Abstract

1,068,119. Automatic control of current and voltage. TEMESCAL METALLURGICAL CORPORATION. Sept. 21, 1965 [Sept. 28, 1964], No.40156/65. Heading G3R. An electron beam furnace is provided with a regulated power supply which provides a constant voltage over the normal operating current range and which limits the maximum current supplied to the furnace. As shown, the accelerating voltage for a furnace 12 is derived from a D. C. source 16 by way of a series valve 14 and current sensing resistors 62, 64; the heating current for the furnace filament 30 is derived from an A. C. source 130 by way of a diode bridge 134 associated with a thyristor 132, an autotransformer 136 and a filament transformer 36. The accelerating voltage, as detected by a voltage divider 70, 72, 74 is compared in a circuit 20 with a reference voltage derived from a Zener diode 92, and any resulting error signal is applied to control valve 14 so that the accelerating voltage is maintained at a constant value determined by the setting of potentiometer 72. Should the supply current exceed a maximum value because of arcing &c. in the furnace, this maximum value being determined by the setting of rheostat 64, the current signal supersedes the voltage signal and the triode 14 is then controlled so that the current is limited to the desired value. During normal operation the beam current is maintained at a preselected value by a control means 128 which may include a magnetic amplifier and which controls the firing of thyristor 132 in response to an error signal derived from the comparison of the current sensing signal from resistor 62, 64 with a reference signal derived from a potentiometer 126. The circuit 20 includes an OR gate, constituted by transistors 78 and 80, to which the voltage and current signals are applied.
GB40156/65A 1964-09-28 1965-09-21 Improvements in or relating to power supply apparatus Expired GB1068119A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US399761A US3400207A (en) 1964-09-28 1964-09-28 Apparatus for regulating power applied to an electron gun employed in an electron beam furnace

Publications (1)

Publication Number Publication Date
GB1068119A true GB1068119A (en) 1967-05-10

Family

ID=23580850

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40156/65A Expired GB1068119A (en) 1964-09-28 1965-09-21 Improvements in or relating to power supply apparatus

Country Status (11)

Country Link
US (1) US3400207A (en)
JP (1) JPS461385B1 (en)
AT (1) AT267015B (en)
BE (1) BE670222A (en)
CH (1) CH448306A (en)
DK (1) DK115563B (en)
FR (1) FR1454584A (en)
GB (1) GB1068119A (en)
LU (1) LU49502A1 (en)
NL (1) NL6512417A (en)
SE (1) SE337434B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3609200A (en) * 1970-07-23 1971-09-28 Air Reduction Power supply
US3760279A (en) * 1971-09-16 1973-09-18 United States Steel Corp Beam current limiting circuit
FR2535108B1 (en) * 1982-10-23 1987-11-20 Leybold Heraeus Gmbh & Co Kg AUXILIARY VOLTAGE SOURCE FOR SUPPLYING ELECTRICAL ASSEMBLIES CARRIED OUT TO HIGH VOLTAGE POTENTIAL
US4943325A (en) * 1988-10-19 1990-07-24 Black & Veatch, Engineers-Architects Reflector assembly
US4936960A (en) * 1989-01-03 1990-06-26 Advanced Energy Industries, Inc. Method and apparatus for recovery from low impedance condition during cathodic arc processes
US4963238A (en) * 1989-01-13 1990-10-16 Siefkes Jerry D Method for removal of electrical shorts in a sputtering system
WO1996031899A1 (en) * 1995-04-07 1996-10-10 Advanced Energy Industries, Inc. Adjustable energy quantum thin film plasma processing system
US20090065045A1 (en) * 2007-09-10 2009-03-12 Zenith Solar Ltd. Solar electricity generation system
US9893223B2 (en) 2010-11-16 2018-02-13 Suncore Photovoltaics, Inc. Solar electricity generation system
US9198276B2 (en) * 2013-03-15 2015-11-24 Varian Medical Systems, Inc. Soft-start adapter for AC heated electron gun
CN110420771B (en) * 2019-08-16 2020-12-18 嘉兴市中法天线实业有限公司 Automatic hot melting and dispensing equipment for plastic products

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2888633A (en) * 1958-05-09 1959-05-26 Collins Radio Co Voltage regulator with limited current drain
US3072822A (en) * 1961-05-19 1963-01-08 Julian C Holmes Emission current regulator
US3328672A (en) * 1964-02-06 1967-06-27 Temescal Metallurgical Corp Constant current supply

Also Published As

Publication number Publication date
DK115563B (en) 1969-10-20
DE1565145B2 (en) 1972-02-10
SE337434B (en) 1971-08-09
BE670222A (en) 1966-01-17
CH448306A (en) 1967-12-15
NL6512417A (en) 1966-03-29
US3400207A (en) 1968-09-03
DE1565145A1 (en) 1970-02-05
JPS461385B1 (en) 1971-01-13
AT267015B (en) 1968-12-10
FR1454584A (en) 1966-02-11
LU49502A1 (en) 1965-11-22

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