FR2000743A1 - - Google Patents
Info
- Publication number
- FR2000743A1 FR2000743A1 FR6901375A FR6901375A FR2000743A1 FR 2000743 A1 FR2000743 A1 FR 2000743A1 FR 6901375 A FR6901375 A FR 6901375A FR 6901375 A FR6901375 A FR 6901375A FR 2000743 A1 FR2000743 A1 FR 2000743A1
- Authority
- FR
- France
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/14—Control of attitude or depth
- B63G8/22—Adjustment of buoyancy by water ballasting; Emptying equipment for ballast tanks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B25/00—Multi-stage pumps
- F04B25/02—Multi-stage pumps of stepped piston type
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D11/00—Control of flow ratio
- G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
- G05D11/03—Controlling ratio of two or more flows of fluid or fluent material without auxiliary power
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/2931—Diverse fluid containing pressure systems
- Y10T137/3115—Gas pressure storage over or displacement of liquid
- Y10T137/3127—With gas maintenance or application
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Aviation & Aerospace Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Control Of Fluid Pressure (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES349747A ES349747A1 (es) | 1968-01-25 | 1968-01-25 | Dispositivo regulador de las presiones y de los volumenes de una masa gaseosa o fluida con relacion a un ambiente o masa fluida exterior. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2000743A1 true FR2000743A1 (US20030199744A1-20031023-C00003.png) | 1969-09-12 |
Family
ID=8447629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR6901375A Withdrawn FR2000743A1 (US20030199744A1-20031023-C00003.png) | 1968-01-25 | 1969-01-24 |
Country Status (7)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4889066A (en) * | 1988-06-02 | 1989-12-26 | Blue Space Submersibles, Inc. | Submersible vehicle |
| GB2351718B (en) * | 1999-07-09 | 2003-02-12 | Dr James Edward Stangroom | Improvements in, or related to, the control of buoyancy underwater at great de pths |
| DE10017376A1 (de) * | 2000-04-07 | 2001-10-11 | Siemens Ag | Verfahren und Vorrichtung zum Betrieb eines Unterwasserfahrzeugs |
| US6684722B1 (en) * | 2000-07-07 | 2004-02-03 | Rob G. Parrish | Aviatorial valve assembly |
| US6386133B1 (en) * | 2000-09-06 | 2002-05-14 | The United States Of America As Represented By The Secretary Of The Navy | Torpedo tube shutter-pressure release |
| US8408841B2 (en) | 2011-05-03 | 2013-04-02 | Lawrence George Brown | Flow resistance modifier apparatuses and methods for moving fluids |
| CN105711781B (zh) * | 2016-01-26 | 2017-11-03 | 中国船舶重工集团公司第七一〇研究所 | 一种自动检测油量的油箱 |
| CN113212715B (zh) * | 2021-05-07 | 2022-04-12 | 中国船舶科学研究中心 | 一种水下主被动式双驱动抛载装置及其操作方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US863532A (en) * | 1905-12-27 | 1907-08-13 | Andre Hector | Submarine vessel. |
| US1240189A (en) * | 1916-10-10 | 1917-09-18 | Fiat San Giorgio Societa Anonima | Ballast control for submarines. |
| US1473314A (en) * | 1923-06-16 | 1923-11-06 | Poccia Loreto | Air compressor |
| US1888667A (en) * | 1930-10-28 | 1932-11-22 | Siemens Ag | Stabilizing device for ships |
| US3104675A (en) * | 1961-04-18 | 1963-09-24 | Gen Motors Corp | Automatic pressure limiting valve |
| US3487647A (en) * | 1967-09-18 | 1970-01-06 | William F Brecht Jr | Buoyancy control for scuba diving |
-
1968
- 1968-01-25 ES ES349747A patent/ES349747A1/es not_active Expired
-
1969
- 1969-01-22 DE DE19691902900 patent/DE1902900A1/de active Pending
- 1969-01-23 GB GB3968/69A patent/GB1262136A/en not_active Expired
- 1969-01-23 GB GB32749/71A patent/GB1262137A/en not_active Expired
- 1969-01-24 NL NL6901211A patent/NL6901211A/xx unknown
- 1969-01-24 US US793855*A patent/US3664366A/en not_active Expired - Lifetime
- 1969-01-24 FR FR6901375A patent/FR2000743A1/fr not_active Withdrawn
- 1969-01-24 BE BE727362D patent/BE727362A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6901211A (US20030199744A1-20031023-C00003.png) | 1969-07-29 |
| BE727362A (US20030199744A1-20031023-C00003.png) | 1969-07-01 |
| US3664366A (en) | 1972-05-23 |
| GB1262136A (en) | 1972-02-02 |
| ES349747A1 (es) | 1969-04-01 |
| DE1902900A1 (de) | 1969-09-11 |
| GB1262137A (en) | 1972-02-02 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |