CH520072A - Safety device on a lifting mechanism, driven by a three-phase asynchronous motor and controlled by a thyristor torque regulator for the three-phase asynchronous motor, for monitoring its dynamic operating behavior - Google Patents
Safety device on a lifting mechanism, driven by a three-phase asynchronous motor and controlled by a thyristor torque regulator for the three-phase asynchronous motor, for monitoring its dynamic operating behaviorInfo
- Publication number
- CH520072A CH520072A CH1304769A CH1304769A CH520072A CH 520072 A CH520072 A CH 520072A CH 1304769 A CH1304769 A CH 1304769A CH 1304769 A CH1304769 A CH 1304769A CH 520072 A CH520072 A CH 520072A
- Authority
- CH
- Switzerland
- Prior art keywords
- asynchronous motor
- phase asynchronous
- thyristor
- monitoring
- driven
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/08—Electrical assemblies or electrical control devices for cranes, winches, capstans or electrical hoists
- B66C2700/084—Protection measures
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19681814275 DE1814275B2 (en) | 1968-12-12 | 1968-12-12 | SAFETY DEVICE FOR CRANE LIFTING GEAR |
Publications (1)
Publication Number | Publication Date |
---|---|
CH520072A true CH520072A (en) | 1972-03-15 |
Family
ID=5716058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1304769A CH520072A (en) | 1968-12-12 | 1969-08-28 | Safety device on a lifting mechanism, driven by a three-phase asynchronous motor and controlled by a thyristor torque regulator for the three-phase asynchronous motor, for monitoring its dynamic operating behavior |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE737422A (en) |
CH (1) | CH520072A (en) |
DE (1) | DE1814275B2 (en) |
FR (1) | FR2026005A1 (en) |
NL (1) | NL6911573A (en) |
SE (1) | SE374334B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3907853A1 (en) * | 1989-03-10 | 1990-09-13 | Man Ghh Krantechnik | DRIVE ARRANGEMENT, ESPECIALLY FOR A HOIST |
EP0476460B1 (en) * | 1990-09-21 | 1994-04-27 | Siemens Aktiengesellschaft | Safety device for a hoist drive |
-
1968
- 1968-12-12 DE DE19681814275 patent/DE1814275B2/en not_active Withdrawn
-
1969
- 1969-07-29 NL NL6911573A patent/NL6911573A/xx unknown
- 1969-08-13 BE BE737422D patent/BE737422A/xx unknown
- 1969-08-28 CH CH1304769A patent/CH520072A/en not_active IP Right Cessation
- 1969-12-09 SE SE1692569A patent/SE374334B/xx unknown
- 1969-12-11 FR FR6943074A patent/FR2026005A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
BE737422A (en) | 1970-01-16 |
DE1814275B2 (en) | 1977-05-26 |
DE1814275A1 (en) | 1970-07-09 |
NL6911573A (en) | 1970-06-16 |
FR2026005A1 (en) | 1970-09-11 |
SE374334B (en) | 1975-03-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |