AT108641B
(en )
1928-01-25
Procedure for operating three-phase collector motors with star-delta switching and brush displacement.
CH120622A
(en )
1927-06-01
Drive device for operating electrical switches.
FR572979A
(en )
1924-06-16
Improvements in single-phase motors
AT105739B
(en )
1927-02-25
Device for starting single-phase commutator motors.
AT96110B
(en )
1924-02-25
Procedure for starting and operating synchronized asynchronous motors.
DK42894C
(en )
1930-09-01
Single-phase AC induction motor with pole switch.
DK42755C
(en )
1930-08-18
Single-phase induction motor.
AT109109B
(en )
1928-03-26
Three-phase current control set.
AT105627B
(en )
1927-02-25
Device for converting single-phase current into direct current.
DK39155C
(en )
1928-08-20
Electric powered washing machine.
FR637329A
(en )
1928-04-27
Hydro-electric motor
FR658258A
(en )
1929-06-03
Synchronized electric machines
AT141480B
(en )
1935-04-25
Coreless induction furnace for operation with three-phase current and method for operating the same.
ES99403A1
(en )
1927-01-01
Improvements in electric heating appliances.
AT99275B
(en )
1925-02-25
Three-phase induction motor.
FR643290A
(en )
1928-09-13
Single-phase or polyphase generator
FR620650A
(en )
1927-04-26
Improvements in the switching of electric commutator machines
ES123762A1
(en )
1931-10-16
IMPROVEMENTS IN ELECTRIC MOTORS
FR603412A
(en )
1926-04-15
Starter for electric motors, in particular for three-phase motors
ES98172A3
(en )
1926-08-01
Collector of electric machines.
ES116625A1
(en )
1930-02-16
Improvements in electric motors.
DK36010C
(en )
1926-05-17
Electric Starter for Motors and Appliances.
FR647275A
(en )
1928-11-22
Means of improving switching in electrical machines
ES115454A1
(en )
1930-03-16
IMPROVEMENTS IN ELECTRIC MOTORS
ES115888A2
(en )
1930-04-16
IMPROVEMENTS IN ELECTRIC MOTORS