CA1055741A - Pressure-responsive speed control for dental handpieces - Google Patents
Pressure-responsive speed control for dental handpiecesInfo
- Publication number
- CA1055741A CA1055741A CA260,083A CA260083A CA1055741A CA 1055741 A CA1055741 A CA 1055741A CA 260083 A CA260083 A CA 260083A CA 1055741 A CA1055741 A CA 1055741A
- Authority
- CA
- Canada
- Prior art keywords
- chamber
- pressure
- pliant
- handpiece
- air
- 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
- 230000001105 regulatory effect Effects 0.000 claims abstract 2
- 230000000740 bleeding effect Effects 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 14
- 239000007789 gas Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 description 1
- 101100130497 Drosophila melanogaster Mical gene Proteins 0.000 description 1
- 101100345589 Mus musculus Mical1 gene Proteins 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/02—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools
- A61C1/05—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools with turbine drive
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D13/00—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover
- G05D13/34—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover with auxiliary non-electric power
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oral & Maxillofacial Surgery (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/657,358 US4074434A (en) | 1972-06-12 | 1976-02-12 | Pressure-responsive speed control for dental handpieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1055741A true CA1055741A (en) | 1979-06-05 |
Family
ID=24636837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA260,083A Expired CA1055741A (en) | 1976-02-12 | 1976-08-27 | Pressure-responsive speed control for dental handpieces |
Country Status (2)
| Country | Link |
|---|---|
| CA (1) | CA1055741A (enExample) |
| FR (1) | FR2341158A2 (enExample) |
-
1976
- 1976-06-24 FR FR7619272A patent/FR2341158A2/fr active Granted
- 1976-08-27 CA CA260,083A patent/CA1055741A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2341158A2 (fr) | 1977-09-09 |
| FR2341158B2 (enExample) | 1980-05-16 |
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