CA984901A - Positioning device using negative spring rate tensioning means - Google Patents
Positioning device using negative spring rate tensioning meansInfo
- Publication number
- CA984901A CA984901A CA166,198A CA166198A CA984901A CA 984901 A CA984901 A CA 984901A CA 166198 A CA166198 A CA 166198A CA 984901 A CA984901 A CA 984901A
- Authority
- CA
- Canada
- Prior art keywords
- positioning device
- spring rate
- tensioning means
- negative spring
- negative
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
- F03G7/061—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by the actuating element
- F03G7/0614—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by the actuating element using shape memory elements
- F03G7/06143—Wires
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
- F03G7/064—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by its use
- F03G7/0641—Motors; Energy harvesting or waste energy recovery
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
- F03G7/066—Actuator control or monitoring
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Transmission Devices (AREA)
- Feedback Control In General (AREA)
- Control Of Position Or Direction (AREA)
- Recording Measured Values (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Rehabilitation Tools (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23990672A | 1972-03-31 | 1972-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA984901A true CA984901A (en) | 1976-03-02 |
Family
ID=22904242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA166,198A Expired CA984901A (en) | 1972-03-31 | 1973-03-15 | Positioning device using negative spring rate tensioning means |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS497683A (enrdf_load_stackoverflow) |
| AR (1) | AR199288A1 (enrdf_load_stackoverflow) |
| CA (1) | CA984901A (enrdf_load_stackoverflow) |
| DE (1) | DE2313240C3 (enrdf_load_stackoverflow) |
| FR (1) | FR2178941B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1383476A (enrdf_load_stackoverflow) |
| IT (1) | IT980042B (enrdf_load_stackoverflow) |
| NL (1) | NL7304478A (enrdf_load_stackoverflow) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51102789A (ja) * | 1975-03-07 | 1976-09-10 | Matsushita Electric Ind Co Ltd | Saabokairo |
| US4197709A (en) * | 1978-06-09 | 1980-04-15 | Hochstein Peter A | Thermal energy scavenger (stress limiter) |
| US4197708A (en) * | 1978-06-09 | 1980-04-15 | Hochstein Peter A | Thermal energy scavenger (alternating stress limiters) |
| DE3236934A1 (de) * | 1982-10-06 | 1984-04-12 | Robert Bosch Gmbh, 7000 Stuttgart | Vorrichtung zur erzielung einer optimalen funktionsanpassung von steuergeraeten bei deren wiedereinschaltung |
| JPS6053676A (ja) * | 1983-09-01 | 1985-03-27 | Furukawa Electric Co Ltd:The | クランク揺動装置 |
| DE3432134A1 (de) * | 1983-09-01 | 1985-03-21 | The Furukawa Electric Co., Ltd., Tokio/Tokyo | Vorrichtung zum schwenken eines stellhebels |
| JPS61178565A (ja) * | 1985-02-04 | 1986-08-11 | Tokieda Naomitsu | 形状記憶合金アクチユエ−タ |
| GB2612307A (en) * | 2021-10-26 | 2023-05-03 | Cambridge Mechatronics Ltd | An actuator assembly |
-
1973
- 1973-02-09 GB GB639073A patent/GB1383476A/en not_active Expired
- 1973-03-13 JP JP48029371A patent/JPS497683A/ja active Pending
- 1973-03-14 AR AR247045A patent/AR199288A1/es active
- 1973-03-15 CA CA166,198A patent/CA984901A/en not_active Expired
- 1973-03-16 DE DE2313240A patent/DE2313240C3/de not_active Expired
- 1973-03-29 IT IT49115/73A patent/IT980042B/it active
- 1973-03-30 FR FR7311505A patent/FR2178941B1/fr not_active Expired
- 1973-03-30 NL NL7304478A patent/NL7304478A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2313240B2 (de) | 1978-10-12 |
| IT980042B (it) | 1974-09-30 |
| NL7304478A (enrdf_load_stackoverflow) | 1973-10-02 |
| DE2313240A1 (de) | 1973-10-11 |
| DE2313240C3 (de) | 1979-06-13 |
| FR2178941B1 (enrdf_load_stackoverflow) | 1976-09-10 |
| JPS497683A (enrdf_load_stackoverflow) | 1974-01-23 |
| GB1383476A (en) | 1974-02-12 |
| AR199288A1 (es) | 1974-08-23 |
| FR2178941A1 (enrdf_load_stackoverflow) | 1973-11-16 |
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