FR2463350B1 - - Google Patents
Info
- Publication number
- FR2463350B1 FR2463350B1 FR8017886A FR8017886A FR2463350B1 FR 2463350 B1 FR2463350 B1 FR 2463350B1 FR 8017886 A FR8017886 A FR 8017886A FR 8017886 A FR8017886 A FR 8017886A FR 2463350 B1 FR2463350 B1 FR 2463350B1
- 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.)
- 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
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
-
- 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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/01—Damping of valve members
- F16K47/011—Damping of valve members by means of a dashpot
- F16K47/0111—Damping of valve members by means of a dashpot the valve members comprising a plunger sliding within a fixed dashpot
-
- 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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/01—Damping of valve members
- F16K47/011—Damping of valve members by means of a dashpot
- F16K47/0112—Damping of valve members by means of a dashpot the valve members comprising a dashpot sliding over a fixed plunger
-
- 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
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7837—Direct response valves [i.e., check valve type]
- Y10T137/785—With retarder or dashpot
- Y10T137/7851—End of valve forms dashpot chamber
-
- 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
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7837—Direct response valves [i.e., check valve type]
- Y10T137/785—With retarder or dashpot
- Y10T137/7852—End of valve moves inside dashpot chamber
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Check Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792933201 DE2933201A1 (de) | 1979-08-16 | 1979-08-16 | Daempfungseinrichtung fuer rueckschlagarmaturen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2463350A1 FR2463350A1 (fr) | 1981-02-20 |
| FR2463350B1 true FR2463350B1 (enExample) | 1985-01-11 |
Family
ID=6078597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8017886A Granted FR2463350A1 (fr) | 1979-08-16 | 1980-08-13 | Dispositif amortisseur pour soupapes de non-retour |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4315524A (enExample) |
| DE (1) | DE2933201A1 (enExample) |
| FR (1) | FR2463350A1 (enExample) |
| GB (1) | GB2056625B (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4693270A (en) * | 1986-03-24 | 1987-09-15 | Durabla Manufacturing Co. | Check valve |
| DE3908435C2 (de) * | 1989-03-15 | 1996-04-04 | Stiebel Eltron Gmbh & Co Kg | Wasserarmatur |
| DE4030107A1 (de) * | 1990-09-22 | 1992-03-26 | Steag Ag | Hydraulischer stellantrieb fuer steuer- und regelarmaturen |
| DE4402126A1 (de) * | 1994-01-21 | 1995-07-27 | Keulahuette Krauschwitz Gmbh | Gedämpfte Rückschlagklappe |
| US7422029B2 (en) * | 2006-09-29 | 2008-09-09 | Honeywell International Inc. | Linear damper for check valve |
| US11320057B2 (en) * | 2019-02-05 | 2022-05-03 | Reseau Drain Corp. | Anti-rat valve and flap therefor |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US505238A (en) * | 1893-09-19 | Air-current governor | ||
| DE262224C (enExample) * | ||||
| DE167996C (enExample) * | ||||
| US1747571A (en) * | 1927-11-21 | 1930-02-18 | Boynton Alexander | Automatic well-flowing device |
| US2289946A (en) * | 1940-09-06 | 1942-07-14 | Weatherhead Co | Needle check valve |
| US2514838A (en) * | 1946-11-18 | 1950-07-11 | Charles J Callahan | Nonsticking back-pressure valve |
| US2578590A (en) * | 1948-02-25 | 1951-12-11 | Perrault Bros | Safety valve |
| US2687276A (en) * | 1949-12-03 | 1954-08-24 | Byron H Staats | Cushioning structure for valves and the like |
| US3098502A (en) * | 1961-04-21 | 1963-07-23 | Dominion Eng Works Ltd | Valve and dash-pot assembly |
| US3141471A (en) * | 1962-01-02 | 1964-07-21 | Chemetron Corp | Proportioning assembly |
| GB1062279A (en) * | 1963-07-24 | 1967-03-22 | Clement Ramsden | Improvements in non-return valves |
| US3265060A (en) * | 1964-03-02 | 1966-08-09 | Schreiber Gus | Expiration regulators |
| DE7114268U (de) * | 1971-04-14 | 1973-08-16 | Klein Schanzlin & Becker Ag | Ruckschlagklappe |
| HU166856B (enExample) * | 1973-07-16 | 1975-06-28 | ||
| US3857408A (en) * | 1973-10-23 | 1974-12-31 | Acf Ind Inc | Seat and sealing means for clapper-type check valve |
| GB1519484A (en) * | 1976-03-26 | 1978-07-26 | Hopkinsons Ltd | Check valves |
| DE2648050A1 (de) * | 1976-10-23 | 1978-04-27 | Maier Kg Maschf B | Rueckschlagklappe |
| DE2736080A1 (de) | 1977-08-10 | 1979-02-15 | Kraftwerk Union Ag | Daempfungseinrichtung fuer rueckschlagarmaturen |
-
1979
- 1979-08-16 DE DE19792933201 patent/DE2933201A1/de not_active Ceased
-
1980
- 1980-08-04 GB GB8025328A patent/GB2056625B/en not_active Expired
- 1980-08-13 US US06/177,717 patent/US4315524A/en not_active Expired - Lifetime
- 1980-08-13 FR FR8017886A patent/FR2463350A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2056625B (en) | 1983-07-06 |
| GB2056625A (en) | 1981-03-18 |
| US4315524A (en) | 1982-02-16 |
| DE2933201A1 (de) | 1981-03-26 |
| FR2463350A1 (fr) | 1981-02-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |