NL78677C - - Google Patents

Info

Publication number: NL78677C
Authority: NL; Netherlands

Application number

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.)

1949-10-29

Publication of NL78677C publication Critical patent/NL78677C/xx

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
- B66B1/12—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. handles or levers, located at a control station for direct control movements, e.g. electric mining-hoist control systems
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/36—Means for stopping the cars, cages, or skips at predetermined levels
- B66B1/44—Means for stopping the cars, cages, or skips at predetermined levels and for taking account of disturbance factors, e.g. variation of load weight
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
- H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
- H02P3/08—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing a dc motor
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/34—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using Ward-Leonard arrangements

Landscapes

Engineering & Computer Science (AREA)
Automation & Control Theory (AREA)
Power Engineering (AREA)
Computer Networks & Wireless Communication (AREA)

NL78677D 1949-10-29 NL78677C (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CH1013348X		1949-10-29
CH888760X		1949-10-29

Publications (1)

Publication Number	Publication Date
NL78677C true NL78677C (da)

Family

ID=25738754

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL78677D NL78677C (da)	1949-10-29

Country Status (2)

Country	Link
FR (1)	FR1013348A (da)
NL (1)	NL78677C (da)

0
- NL NL78677D patent/NL78677C/xx active
1950
- 1950-02-28 FR FR1013348D patent/FR1013348A/fr not_active Expired

Also Published As

Publication number	Publication date
FR1013348A (fr)	1952-07-28

Publication	Publication Date	Title
AT166754B (da)	1950-09-25
AT193848B (da)	1957-12-10
BE488247A (da)	1949-04-30
BE488027A (da)	1949-04-15
BE155588A (da)
BE437616A (da)
BE449134A (da)
BE457200A (da)
BE476015A (da)
BE476643A (da)
BE476829A (da)
BE479156A (da)
NL78677C (da)
BE480618A (da)
BE482756A (da)
BE483443A (da)
BE483689A (da)
BE485768A (da)
BE485770A (da)
BE486689A (da)	1949-01-31
BE486819A (da)
BE487077A (da)	1949-02-15
BE487289A (da)
BE487335A (da)
BE487425A (da)