GB679915A - Improvements in or relating to speed governors for electric motors - Google Patents
Improvements in or relating to speed governors for electric motorsInfo
- Publication number
- GB679915A GB679915A GB7485/49A GB748549A GB679915A GB 679915 A GB679915 A GB 679915A GB 7485/49 A GB7485/49 A GB 7485/49A GB 748549 A GB748549 A GB 748549A GB 679915 A GB679915 A GB 679915A
- Authority
- GB
- United Kingdom
- Prior art keywords
- potentiometer
- arm
- spindle
- contact arm
- speed
- 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
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/20—Driving or stopping arrangements
- D01H1/28—Driving or stopping arrangements for two or more machine elements possessing different characteristics but in operative association
- D01H1/30—Driving or stopping arrangements for two or more machine elements possessing different characteristics but in operative association with two or more speeds; with variable-speed arrangements
- D01H1/305—Speed control of the spindles in response to the displacements of the ring rail
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
679,915. Variable contact resistances. VEREL, B. P. March 18, 1949 [March 24, 1948], No. 7485/49. Class 37. [Also in Groups IX and XXXVII] As shown in Fig. 4, a governor for regulating the speed of an electric motor driving a ring spinning frame comprises a spindle 13 moving in accordance with the movement of the ring rail of the frame, a potentiometer 15 having a contact arm 14 displaceable by the spindle to provide for the cyclic variation of the speed of the motor, another potentiometer 21 having a contact arm 20 displaceable progressively by the spindle, the potentiometer 15 and contact arm 14 being moved together or otherwise rendered inoperative during displacement of the arm 20, and means for providing a voltage distribution along the potentiometer 21 corresponding to the required basic speed variation so that movement of the arm 20 provides such basic variation. The spindle 13 carries the contact arm 14 together with an arm 16 engageable with a part 17 which is movable through an angle and is mechanically coupled with the potentiometer 15 which is also movable. A transformer 38 (Fig. 5) has its secondary winding connected in series with the potentiometer 21, the output voltage from terminals 34, 35 being arranged for grid control of a rectifier supplying the motor. The required voltage distribution along the potentiometer 21 is provided by transformers 39, 40, the secondary windings of which are connected to tappings on the potentiometer. The input voltages of transformers 39, 40 are controlled by means of the potentiometer 15. Reference has been directed by the Comptroller to Specification 669,541, [Group XXXVII].
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL679915X | 1948-03-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB679915A true GB679915A (en) | 1952-09-24 |
Family
ID=19802404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB7485/49A Expired GB679915A (en) | 1948-03-24 | 1949-03-18 | Improvements in or relating to speed governors for electric motors |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB679915A (en) |
-
1949
- 1949-03-18 GB GB7485/49A patent/GB679915A/en not_active Expired
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