NL7108052A - - Google Patents
Info
- Publication number
- NL7108052A NL7108052A NL7108052A NL7108052A NL7108052A NL 7108052 A NL7108052 A NL 7108052A NL 7108052 A NL7108052 A NL 7108052A NL 7108052 A NL7108052 A NL 7108052A NL 7108052 A NL7108052 A NL 7108052A
- Authority
- NL
- Netherlands
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
- F16K15/06—Check valves with guided rigid valve members with guided stems
- F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/062—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces characterised by the geometry of the seat
-
- 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
- F16K15/06—Check valves with guided rigid valve members with guided stems
- F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
- F16K15/066—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring with a plurality of valve members
-
- 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
- F16K15/06—Check valves with guided rigid valve members with guided stems
- F16K15/067—Check valves with guided rigid valve members with guided stems stem guided at two or more points
-
- 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
- F16K2200/00—Details of valves
- F16K2200/20—Common housing having a single inlet, a single outlet and multiple valve members
- F16K2200/202—Common housing having a single inlet, a single outlet and multiple valve members one valve arranged inside of the valve member of a second valve, e.g. nested valve members
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- 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]
- Y10T137/7838—Plural
- Y10T137/7839—Dividing and recombining in a single flow path
-
- 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]
- Y10T137/7838—Plural
- Y10T137/7841—One valve carries head and seat for second valve
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Check Valves (AREA)
- Mechanically-Actuated Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US6454470A | 1970-08-17 | 1970-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7108052A true NL7108052A (https=) | 1972-02-21 |
Family
ID=22056706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7108052A NL7108052A (https=) | 1970-08-17 | 1971-06-11 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3621874A (https=) |
| JP (1) | JPS5025653B1 (https=) |
| CA (1) | CA933062A (https=) |
| DE (1) | DE2123854C3 (https=) |
| FR (1) | FR2104383A5 (https=) |
| GB (1) | GB1302005A (https=) |
| NL (1) | NL7108052A (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1168550A (en) * | 1980-09-25 | 1984-06-05 | Robert B. Goodman | Check valve |
| US5176171A (en) * | 1991-10-17 | 1993-01-05 | Flomatic Corporation | Check valve |
| RU2137001C1 (ru) * | 1997-11-11 | 1999-09-10 | Открытое акционерное общество "Уралхиммаш" | Клапан обратный |
| DE10037967C1 (de) * | 2000-08-04 | 2001-12-20 | Ct Therm Abgassystemtechnik Gm | Rückströmsperre für eine Abgasleitung |
| FR3071027B1 (fr) * | 2017-09-08 | 2019-12-27 | Gaztransport Et Technigaz | Clapet anti-retour en particulier pour un navire de transport de gaz liquefie |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3419113A (en) * | 1967-04-14 | 1968-12-31 | Lewis A. Shelley | Boom snubbing device and control valve therefor |
| US3540469A (en) * | 1969-02-26 | 1970-11-17 | David P Ward | Excess flow check valve |
-
1970
- 1970-08-17 US US3621874D patent/US3621874A/en not_active Expired - Lifetime
-
1971
- 1971-05-13 DE DE2123854A patent/DE2123854C3/de not_active Expired
- 1971-06-03 JP JP3836071A patent/JPS5025653B1/ja active Pending
- 1971-06-11 NL NL7108052A patent/NL7108052A/xx unknown
- 1971-06-15 CA CA115724A patent/CA933062A/en not_active Expired
- 1971-07-01 GB GB3087871A patent/GB1302005A/en not_active Expired
- 1971-08-16 FR FR7129828A patent/FR2104383A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2123854C3 (de) | 1974-12-19 |
| DE2123854A1 (de) | 1972-03-02 |
| FR2104383A5 (https=) | 1972-04-14 |
| JPS5025653B1 (https=) | 1975-08-26 |
| GB1302005A (https=) | 1973-01-04 |
| DE2123854B2 (de) | 1974-05-16 |
| US3621874A (en) | 1971-11-23 |
| CA933062A (en) | 1973-09-04 |