NL111252C - - Google Patents
Info
- Publication number
- NL111252C NL111252C NL111252DA NL111252C NL 111252 C NL111252 C NL 111252C NL 111252D A NL111252D A NL 111252DA NL 111252 C NL111252 C NL 111252C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/06—Switches operated by change of speed
- H01H35/12—Switches operated by change of speed operated by reversal of direction of movement
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
- G01M3/045—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/42—Switches operated by change of humidity
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Leads Or Probes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF29995A DE1110917B (de) | 1959-12-03 | 1959-12-03 | Sonde zur Anzeige von Undichtigkeiten an OElbehaeltern od. dgl. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL111252C true NL111252C (https=) |
Family
ID=7093553
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL111252D NL111252C (https=) | 1959-12-03 | ||
| NL256107D NL256107A (https=) | 1959-12-03 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL256107D NL256107A (https=) | 1959-12-03 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH387331A (https=) |
| DE (1) | DE1110917B (https=) |
| NL (2) | NL256107A (https=) |
-
0
- NL NL111252D patent/NL111252C/xx active
- NL NL256107D patent/NL256107A/xx unknown
-
1959
- 1959-12-03 DE DEF29995A patent/DE1110917B/de active Pending
-
1960
- 1960-09-26 CH CH1082560A patent/CH387331A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL256107A (https=) | |
| DE1110917B (de) | 1961-07-13 |
| CH387331A (de) | 1965-01-31 |