17-10-2013 дата публикации
Номер: US20130269676A1
A gas burner () with inward-facing flame is disclosed, comprising a base body () comprising a chamber () connected to a radial venturi pipe () fed by a gas injector (); a mixing body () with toroidal base () that defines a toroidal mixing chamber () communicating with the chamber () of the base body; a circular upper cover () with internal surface () facing towards the axis of the upper cover, wherein a plurality of holes () is obtained, in communication with the mixing chamber () for inward-facing emission of flames. 11002003001. Gas cooking assembly (; ; ) comprising a gas burner and a cooktop () , the gas burner comprising:{'b': 2', '1', '2', '21', '7', '6, 'a base body () dispose under the cooktop (), said base body () comprising a chamber () connected to at least one horizontal venture pipe () fed by at least one gas injector ();'}{'b': 4', '2', '1', '4', '42', '40', '21', '43', '343, 'a mixing body () disposed above said base body () and above the cooktop (), said mixing body () being provided with a base () with toroidal shape that defines a toroidal mixing chamber () communicating with the chamber () of the base body and at least one hole (; ) for secondary air passage;'}{'b': 5', '4', '5', '50', '350', '43', '343', '52', '53', '40, 'a circular upper cover () disposed above said mixing body (), said upper cover () being provided with at least one hole (; ) communicating with said at least one hole (; ) of the mixing body for secondary air passage and an internal surface () facing towards the axis of the upper cover in which a plurality of flame holes () is obtained in communication with the mixing chamber () to release the flames inwards;'}{'b': 42', '4', '2', '1', '8', '2', '1', '2', '43', '343', '50', '350', '53, 'wherein the base () of the mixing body () is spaced apart from the base body () and cooktop (), in such a way to generate a gap () in which a first secondary air flow (F′) can flow above the cooktop (), said first secondary air flow (F′) passing ...
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