JPS4910785A - - Google Patents
Info
- Publication number
- JPS4910785A JPS4910785A JP48023670A JP2367073A JPS4910785A JP S4910785 A JPS4910785 A JP S4910785A JP 48023670 A JP48023670 A JP 48023670A JP 2367073 A JP2367073 A JP 2367073A JP S4910785 A JPS4910785 A JP S4910785A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
-
- 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
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2876—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
- G01F25/11—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters using a seal ball or piston in a test loop
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Examining Or Testing Airtightness (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00242125A US3835695A (en) | 1972-01-20 | 1972-04-07 | Meter proving apparatus and method |
| US27444172A | 1972-07-24 | 1972-07-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4910785A true JPS4910785A (en]) | 1974-01-30 |
| JPS5222555B2 JPS5222555B2 (en]) | 1977-06-17 |
Family
ID=26934846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48023670A Expired JPS5222555B2 (en]) | 1972-04-07 | 1973-02-27 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5222555B2 (en]) |
| AU (1) | AU449102B2 (en]) |
| CA (1) | CA1004092A (en]) |
| FR (1) | FR2178861B1 (en]) |
| GB (1) | GB1378627A (en]) |
| IT (1) | IT990528B (en]) |
| NL (1) | NL152645B (en]) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50108356U (en]) * | 1974-02-13 | 1975-09-04 | ||
| JPS50112059U (en]) * | 1974-02-20 | 1975-09-12 | ||
| JPS52147490A (en) * | 1976-06-02 | 1977-12-07 | Showa Tetsukou Kk | Gas leak detection mechanism for safety breake valve and the like |
| JPS56110032A (en) * | 1980-02-05 | 1981-09-01 | Nippon Kanken Kogyo Kk | Inspecting method for water leakage from buried pipe |
| JPS63145868A (ja) * | 1986-12-09 | 1988-06-17 | Honda Motor Co Ltd | 車両用油圧式変速機 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0260650U (en]) * | 1988-10-28 | 1990-05-07 | ||
| EP3109470B1 (en) * | 2015-06-26 | 2019-03-27 | Danfoss A/S | Hydraulic machine arrangement |
| EP3109468B1 (en) | 2015-06-26 | 2022-06-29 | Danfoss A/S | Hydraulic machine |
| EP3109473B1 (en) | 2015-06-26 | 2021-03-10 | Danfoss A/S | Vane cell machine |
| CN108844697B (zh) * | 2018-07-11 | 2023-12-19 | 山东科瑞油气装备有限公司 | 一种双头泥浆枪压力测试工具 |
| CN115307824B (zh) * | 2022-10-11 | 2023-01-24 | 山东旭扬新能源有限公司 | 一种led路灯用的密封性测试装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2749536A (en) * | 1953-09-16 | 1956-06-05 | Sperling Gustav | Electrically operated leak detector |
-
1973
- 1973-01-30 GB GB462873A patent/GB1378627A/en not_active Expired
- 1973-02-01 CA CA162,577A patent/CA1004092A/en not_active Expired
- 1973-02-02 AU AU51763/73A patent/AU449102B2/en not_active Expired
- 1973-02-08 NL NL737301786A patent/NL152645B/xx unknown
- 1973-02-15 IT IT20423/73A patent/IT990528B/it active
- 1973-02-15 FR FR7305325A patent/FR2178861B1/fr not_active Expired
- 1973-02-27 JP JP48023670A patent/JPS5222555B2/ja not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50108356U (en]) * | 1974-02-13 | 1975-09-04 | ||
| JPS50112059U (en]) * | 1974-02-20 | 1975-09-12 | ||
| JPS52147490A (en) * | 1976-06-02 | 1977-12-07 | Showa Tetsukou Kk | Gas leak detection mechanism for safety breake valve and the like |
| JPS56110032A (en) * | 1980-02-05 | 1981-09-01 | Nippon Kanken Kogyo Kk | Inspecting method for water leakage from buried pipe |
| JPS63145868A (ja) * | 1986-12-09 | 1988-06-17 | Honda Motor Co Ltd | 車両用油圧式変速機 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1378627A (en) | 1974-12-27 |
| DE2317301B2 (de) | 1975-09-04 |
| NL7301786A (en]) | 1973-10-09 |
| AU449102B2 (en) | 1974-06-06 |
| IT990528B (it) | 1975-07-10 |
| JPS5222555B2 (en]) | 1977-06-17 |
| FR2178861A1 (en]) | 1973-11-16 |
| CA1004092A (en) | 1977-01-25 |
| FR2178861B1 (en]) | 1976-05-14 |
| NL152645B (nl) | 1977-03-15 |
| DE2317301A1 (de) | 1973-10-18 |
| AU5176373A (en) | 1974-06-06 |