GB1272019A - Improvements in trackway vehicles - Google Patents
Improvements in trackway vehiclesInfo
- Publication number
- GB1272019A GB1272019A GB31334/69A GB3133469A GB1272019A GB 1272019 A GB1272019 A GB 1272019A GB 31334/69 A GB31334/69 A GB 31334/69A GB 3133469 A GB3133469 A GB 3133469A GB 1272019 A GB1272019 A GB 1272019A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tilt
- angle
- signal
- proportional
- detector
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
- G05D1/08—Control of attitude, i.e. control of roll, pitch, or yaw
- G05D1/0891—Control of attitude, i.e. control of roll, pitch, or yaw specially adapted for land vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/22—Guiding of the vehicle underframes with respect to the bogies
Abstract
1,272,019. Rail vehicles. SOC. D'APPLICATIONS GENERALES D'ELECTRICITE ET DE MECANIQUE. 20 June, 1969 [31 July, 1968], No. 31334/69. Heading B7L. In rail vehicles, in which the angle of tilt # (to counteract the centrifugal forces arising on curves) of the body 1 relatively to the bogie 3 is structurally limited to a maximum # max = I M , which is less than the value of the angle of tilt I, required for complete counteraction of the centrifugal forces, the tilting action is damped, so that the attainment of the maximum available angle of tilt I M is postponed until the point Q, on the curved track, at which the radius of curvature becomes constant. A first detector 7 of the accelerometer type gives a signal proportional to I and a second detector 8 gives a signal proportional to #. The signal I is fed to a threshold device 9 whose output is proportional to I, but does not exceed I M . These outputs are fed into comparator 10, whose output is propor. tional to the error E (= I - 0). A differentiating device 12 and a regulating device 11 provide the input signal to an electro-hydraulic distributor, which effects the necessary tilting motion.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR161359 | 1968-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1272019A true GB1272019A (en) | 1972-04-26 |
Family
ID=8653276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB31334/69A Expired GB1272019A (en) | 1968-07-31 | 1969-06-20 | Improvements in trackway vehicles |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1588538A (en) |
| GB (1) | GB1272019A (en) |
-
1968
- 1968-07-31 FR FR161359A patent/FR1588538A/fr not_active Expired
-
1969
- 1969-06-20 GB GB31334/69A patent/GB1272019A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1933893B2 (en) | 1975-07-24 |
| DE1933893A1 (en) | 1970-02-19 |
| FR1588538A (en) | 1970-04-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |