FR497986A - Improvements to tire pressure gauges - Google Patents
Improvements to tire pressure gaugesInfo
- Publication number
- FR497986A FR497986A FR497986DA FR497986A FR 497986 A FR497986 A FR 497986A FR 497986D A FR497986D A FR 497986DA FR 497986 A FR497986 A FR 497986A
- Authority
- FR
- France
- Prior art keywords
- tire pressure
- pressure gauges
- gauges
- tire
- pressure
- 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
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/20—Check valves specially designed for inflatable bodies, e.g. tyres
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/14—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
- H02P9/20—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field due to variation of continuously-variable ohmic resistance
- H02P9/22—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field due to variation of continuously-variable ohmic resistance comprising carbon pile resistance
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US497986XA | 1925-01-19 | 1925-01-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR497986A true FR497986A (en) | 1919-12-23 |
Family
ID=21961802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR497986D Expired FR497986A (en) | 1918-05-11 | 1919-03-22 | Improvements to tire pressure gauges |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE497986C (en) |
FR (1) | FR497986A (en) |
-
1919
- 1919-03-22 FR FR497986D patent/FR497986A/en not_active Expired
-
1926
- 1926-01-12 DE DES72916D patent/DE497986C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE497986C (en) | 1930-05-17 |
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