JPS545977B2 - - Google Patents
Info
- Publication number
- JPS545977B2 JPS545977B2 JP6968773A JP6968773A JPS545977B2 JP S545977 B2 JPS545977 B2 JP S545977B2 JP 6968773 A JP6968773 A JP 6968773A JP 6968773 A JP6968773 A JP 6968773A JP S545977 B2 JPS545977 B2 JP S545977B2
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
- G01F1/86—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure
- G01F1/88—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure with differential-pressure measurement to determine the volume flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
- G01N2009/004—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis comparing frequencies of two elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
- G01N2009/008—Schlatter vibrating vane type
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US265327A US3862568A (en) | 1972-06-22 | 1972-06-22 | Method of and apparatus for producing fluid gravity and density analogs and flowmeters incorporating gravitometers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4958871A JPS4958871A (ja) | 1974-06-07 |
| JPS545977B2 true JPS545977B2 (ja) | 1979-03-23 |
Family
ID=23010001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6968773A Expired JPS545977B2 (ja) | 1972-06-22 | 1973-06-20 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3862568A (ja) |
| JP (1) | JPS545977B2 (ja) |
| CA (1) | CA983287A (ja) |
| DE (1) | DE2330477A1 (ja) |
| FR (1) | FR2190268A5 (ja) |
| GB (1) | GB1431827A (ja) |
| NL (1) | NL7308683A (ja) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3958443A (en) * | 1974-06-17 | 1976-05-25 | Air Products And Chemicals, Inc. | Apparatus for proving and calibrating cryogenic flow meters |
| US3934127A (en) * | 1974-10-23 | 1976-01-20 | International Telephone And Telegraph Corporation | Gravitometers |
| US3918292A (en) * | 1974-11-15 | 1975-11-11 | Itt | Gravitometer |
| US3926035A (en) * | 1974-11-29 | 1975-12-16 | Itt | Gravitometer |
| JPS5237488A (en) * | 1975-09-19 | 1977-03-23 | Japan Synthetic Rubber Co Ltd | Method and apparatus for highly accurately measuring density and conce ntration of solutions |
| CH616743A5 (en) * | 1977-07-01 | 1980-04-15 | Bbc Brown Boveri & Cie | Device for measuring the density of gaseous media. |
| US4349881A (en) * | 1980-07-14 | 1982-09-14 | International Telephone And Telegraph Corporation | Vibration instruments |
| JPS6193243A (ja) * | 1984-10-12 | 1986-05-12 | Mazda Motor Corp | 過給機付エンジンの燃料制御装置 |
| JPS6193242A (ja) * | 1984-10-12 | 1986-05-12 | Mazda Motor Corp | 過給機付エンジンの燃料制御装置 |
| US6299842B1 (en) * | 1999-03-05 | 2001-10-09 | Meridian Bioscience, Inc. | Biological sampling and storage container utilizing a desiccant |
| US6732570B2 (en) * | 2001-06-14 | 2004-05-11 | Calibron Systems, Inc. | Method and apparatus for measuring a fluid characteristic |
| US7319524B2 (en) * | 2005-03-28 | 2008-01-15 | Honeywell International, Inc. | Air purged optical densitometer |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1527721A (en) * | 1920-10-13 | 1925-02-24 | Gen Electric | Method and apparatus for indicating variations in the proportions. of a gas mixture |
| US1906985A (en) * | 1928-11-23 | 1933-05-02 | Western Electric Co | Vibratory frequency standard |
| US3002373A (en) * | 1957-09-27 | 1961-10-03 | Garman O Kimmell | Gas gravitometers |
| US3134035A (en) * | 1957-10-22 | 1964-05-19 | Philamon Lab Inc | Tuning fork resonator with driving and feedback coils decoupling |
| US3117440A (en) * | 1960-09-12 | 1964-01-14 | Lockheed Aircraft Corp | Densitometer |
| US3603137A (en) * | 1968-11-05 | 1971-09-07 | Automation Prod | Vibrating method and apparatus for determining the physical properties of material |
| US3572094A (en) * | 1969-04-18 | 1971-03-23 | Automation Prod | Gas density measuring apparatus |
| US3715912A (en) * | 1971-04-08 | 1973-02-13 | Itt | Densitometer |
-
1972
- 1972-06-22 US US265327A patent/US3862568A/en not_active Expired - Lifetime
-
1973
- 1973-06-14 GB GB2829173A patent/GB1431827A/en not_active Expired
- 1973-06-15 DE DE2330477A patent/DE2330477A1/de active Pending
- 1973-06-20 JP JP6968773A patent/JPS545977B2/ja not_active Expired
- 1973-06-21 NL NL7308683A patent/NL7308683A/xx not_active Application Discontinuation
- 1973-06-21 CA CA174,604A patent/CA983287A/en not_active Expired
- 1973-06-22 FR FR7322847A patent/FR2190268A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2330477A1 (de) | 1974-01-17 |
| GB1431827A (en) | 1976-04-14 |
| JPS4958871A (ja) | 1974-06-07 |
| NL7308683A (ja) | 1973-12-27 |
| CA983287A (en) | 1976-02-10 |
| US3862568A (en) | 1975-01-28 |
| FR2190268A5 (ja) | 1974-01-25 |
| AU5723473A (en) | 1975-01-09 |