GB498977A - Improvements in or relating to hot water apparatus - Google Patents

Improvements in or relating to hot water apparatus

Info

Publication number
GB498977A
GB498977A GB1069338A GB1069338A GB498977A GB 498977 A GB498977 A GB 498977A GB 1069338 A GB1069338 A GB 1069338A GB 1069338 A GB1069338 A GB 1069338A GB 498977 A GB498977 A GB 498977A
Authority
GB
United Kingdom
Prior art keywords
vessel
air
cap
hot water
water
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
Application number
GB1069338A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Fabriek Inventum BV
Original Assignee
Koninklijke Fabriek Inventum BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to NL498977X priority Critical
Application filed by Koninklijke Fabriek Inventum BV filed Critical Koninklijke Fabriek Inventum BV
Publication of GB498977A publication Critical patent/GB498977A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT GENERATING MEANS, IN GENERAL
    • F24H1/00Water heaters having heat generating means, e.g. boiler, flow- heater, water-storage heater
    • F24H1/18Water storage heaters
    • F24H1/20Water storage heaters with immersed heating elements, e.g. electric elements or furnace tubes

Abstract

498,977. Electric water heaters. KONINKLIJKE FABRIEK INVENTUM N. V. April 7, 1938, No. 10693. Convention date, April 13, 1937. [Class 39 (iii)] Hot water apparatus for connection to a pressure conduit comprises a hot water tank without an air vent, in which an inner vessel 7 containing an electric heater 8 is arranged, the vessel being closed at the top by a cap 12 in which a space 11 forms an air lock communicating by a tube 10 with the inner vessel, the cap having slits or apertures 14 near the bottom, so that on filling the tank by a pipe 4, water under pressure flows into the inner vessel and compresses air therein, some of the air escaping each time pressure is released at the water outflow tube 5, until finally enough air remains in the cap 12 to form an air lock. The - top of the inner vessel has an upstanding rim 13. Specification 455,250 is referred to.
GB1069338A 1937-04-13 1938-04-07 Improvements in or relating to hot water apparatus Expired GB498977A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL498977X 1937-04-13

Publications (1)

Publication Number Publication Date
GB498977A true GB498977A (en) 1939-01-17

Family

ID=19786761

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1069338A Expired GB498977A (en) 1937-04-13 1938-04-07 Improvements in or relating to hot water apparatus

Country Status (1)

Country Link
GB (1) GB498977A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4578565A (en) * 1983-12-07 1986-03-25 Shmuel Dawidowitch Combined electric heating and water inlet/outlet assembly for water heating tanks
GB2372801A (en) * 2001-02-28 2002-09-04 Islwyn Uhland Watkins Water storage container
GB2454052A (en) * 2007-08-22 2009-04-29 Solassistance Ltd Fitting for hot water cylinder
GB2454689A (en) * 2007-11-14 2009-05-20 Steve Barson Device to facilitate the heating of a liquid
GB2474876A (en) * 2009-10-30 2011-05-04 Solassistance Ltd Fitting for a hot water cylinder

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4578565A (en) * 1983-12-07 1986-03-25 Shmuel Dawidowitch Combined electric heating and water inlet/outlet assembly for water heating tanks
GB2372801A (en) * 2001-02-28 2002-09-04 Islwyn Uhland Watkins Water storage container
GB2454052A (en) * 2007-08-22 2009-04-29 Solassistance Ltd Fitting for hot water cylinder
GB2454052B (en) * 2007-08-22 2009-11-04 Solassistance Ltd Fitting for hot water cylinder
GB2454689A (en) * 2007-11-14 2009-05-20 Steve Barson Device to facilitate the heating of a liquid
GB2474876A (en) * 2009-10-30 2011-05-04 Solassistance Ltd Fitting for a hot water cylinder

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