BE667435A - - Google Patents
Info
- Publication number
- BE667435A BE667435A BE667435DA BE667435A BE 667435 A BE667435 A BE 667435A BE 667435D A BE667435D A BE 667435DA BE 667435 A BE667435 A BE 667435A
- Authority
- BE
- Belgium
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
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- 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
- B66B1/40—Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings
- B66B1/405—Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings for hydraulically actuated elevators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7781—With separate connected fluid reactor surface
- Y10T137/7784—Responsive to change in rate of fluid flow
- Y10T137/7787—Expansible chamber subject to differential pressures
- Y10T137/7788—Pressures across fixed choke
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Polyurethanes Or Polyureas (AREA)
- Types And Forms Of Lifts (AREA)
- Elevator Control (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US386829A US3302531A (en) | 1964-08-03 | 1964-08-03 | Elevator control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE667435A true BE667435A (https=) | 1965-11-16 |
Family
ID=23527216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE667435D BE667435A (https=) | 1964-08-03 | 1965-07-26 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3302531A (https=) |
| BE (1) | BE667435A (https=) |
| CH (1) | CH431865A (https=) |
| FR (1) | FR1455287A (https=) |
| NO (1) | NO126218B (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3376793A (en) * | 1965-10-11 | 1968-04-09 | Papadia | Hydraulic flow regulating apparatus |
| US3508468A (en) * | 1968-04-24 | 1970-04-28 | Armor Elevator Co Inc | Hydraulic elevator control valve |
| US3675676A (en) * | 1971-04-09 | 1972-07-11 | Sperry Rand Corp | Power transmission |
| US4148248A (en) * | 1975-03-11 | 1979-04-10 | Maxton Manufacturing Company | Hydraulic valve control system |
| US8091582B2 (en) | 2007-04-13 | 2012-01-10 | Cla-Val Co. | System and method for hydraulically managing fluid pressure downstream from a main valve between set points |
| WO2008127899A2 (en) * | 2007-04-13 | 2008-10-23 | Cla-Val Co. | System and method for hydraulically managing fluid pressure downstream from a main valve |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3125319A (en) * | 1964-03-17 | Hydraulic elevator control system | ||
| US915084A (en) * | 1908-09-03 | 1909-03-16 | Rudolph Eberhard | Leveling instrument. |
| US3020891A (en) * | 1959-06-01 | 1962-02-13 | Dover Corp | Constant flow valve |
| US3020892A (en) * | 1959-11-04 | 1962-02-13 | Dover Corp | Constant flow valve assembly |
-
1964
- 1964-08-03 US US386829A patent/US3302531A/en not_active Expired - Lifetime
-
1965
- 1965-07-26 BE BE667435D patent/BE667435A/xx unknown
- 1965-08-02 FR FR46278A patent/FR1455287A/fr not_active Expired
- 1965-08-03 NO NO00159202A patent/NO126218B/no unknown
- 1965-08-03 CH CH1098565A patent/CH431865A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH431865A (de) | 1967-03-15 |
| NO126218B (https=) | 1973-01-08 |
| US3302531A (en) | 1967-02-07 |
| FR1455287A (fr) | 1966-04-01 |