GB1229750A - - Google Patents
Info
- Publication number
- GB1229750A GB1229750A GB1229750DA GB1229750A GB 1229750 A GB1229750 A GB 1229750A GB 1229750D A GB1229750D A GB 1229750DA GB 1229750 A GB1229750 A GB 1229750A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pipe
- radiator
- central heating
- restriction
- outlet
- Prior art date
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/36—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D211/40—Oxygen atoms
- C07D211/44—Oxygen atoms attached in position 4
- C07D211/48—Oxygen atoms attached in position 4 having an acyclic carbon atom attached in position 4
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/0002—Means for connecting central heating radiators to circulation pipes
- F24D19/0004—In a one pipe system
Abstract
1,229,750. Central heating systems. SULZER BROS. Ltd. 16 May, 1969 [22 May, 1968], No. 25044/69. Heading F4U. A radiator 2 of a one-pipe central heating system is connected to the pipe 3 by flow and return lines 5, 9, the pipe has a fixed restriction 4 between the radiator connections and the restriction is in a looped portion 3a, which projects from the floor or wall in which the remainder of pipe 3 is embedded, so as to be readily accessible. If the inlet and outlet of the radiator are at opposite ends, line 9 is blanked off and the radiator outlet connected directly to pipe 3.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES0065008 | 1968-05-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1229750A true GB1229750A (en) | 1971-04-28 |
Family
ID=7497669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1229750D Expired GB1229750A (en) | 1968-05-22 | 1969-05-16 |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH489756A (en) |
FR (2) | FR1298912A (en) |
GB (1) | GB1229750A (en) |
OA (1) | OA01075A (en) |
-
1960
- 1960-09-19 FR FR838909A patent/FR1298912A/en not_active Expired
- 1960-09-19 FR FR838910A patent/FR665M/fr active Active
-
1964
- 1964-12-30 OA OA51185A patent/OA01075A/en unknown
-
1969
- 1969-04-22 CH CH604869A patent/CH489756A/en unknown
- 1969-05-16 GB GB1229750D patent/GB1229750A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
OA01075A (en) | 1968-08-07 |
CH489756A (en) | 1970-04-30 |
FR665M (en) | 1961-07-10 |
FR1298912A (en) | 1962-07-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |