PL399235A1 - Drop flap - Google Patents

Drop flap

Info

Publication number
PL399235A1
PL399235A1 PL399235A PL39923512A PL399235A1 PL 399235 A1 PL399235 A1 PL 399235A1 PL 399235 A PL399235 A PL 399235A PL 39923512 A PL39923512 A PL 39923512A PL 399235 A1 PL399235 A1 PL 399235A1
Authority
PL
Poland
Prior art keywords
ducts
ventilation
air
catch
door
Prior art date
Application number
PL399235A
Other languages
Polish (pl)
Other versions
PL221143B1 (en
Inventor
Janusz Swietoniowski
Stanisław Mędrek
Original Assignee
Bh-Res Medrek I Wspólnicy Spólka Jawna
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
Application filed by Bh-Res Medrek I Wspólnicy Spólka Jawna filed Critical Bh-Res Medrek I Wspólnicy Spólka Jawna
Priority to PL399235A priority Critical patent/PL221143B1/en
Publication of PL399235A1 publication Critical patent/PL399235A1/en
Publication of PL221143B1 publication Critical patent/PL221143B1/en

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Abstract

Przedmiotem wynalazku jest klapa upustowa, stosowana do zabudowy w scianach kanalów wentylacyjnych oraz innych przewodów powietrznych w ukladach klimatyzacji, wentylacji i ogrzewania powietrznego o niskich cisnieniach i duzych przeplywach tego czynnika i zabezpieczajaca te kanaly przed ich zniszczeniem, wywolanym niepozadanym wzrostem cisnienia lub podcisnienia poza progowe wartosci dopuszczalne. Klapa charakteryzuje sie tym, ze sklada sie z czterobocznej ramy metalowej (3), wykonanej z elementów profilowych której jeden bok polaczony jest obrotowo z drzwiczkami (7), zaopatrzonymi w zaczep (8), wspólpracujacy z zaczepem (10) mechanizmu zwalniajacego (11), natomiast pomiedzy sciana boczna drzwiczek (8), ich sciana wewnetrzna i powierzchnia zewnetrzna sciany czolowej (17) kanalu wentylacyjnego (2) umieszczone sa uszczelki elastyczne, przy czym mechanizm zwalniajacy (11) wyposazony jest w elektromagnes (12), polaczony elektrycznie ze zródlem zasilania (14) oraz ze sterujacym nim presostatem (15).The subject of the invention is a bleed flap, used for building in the walls of ventilation ducts and other air ducts in air-conditioning, ventilation and air heating systems with low pressure and high flows of this factor and protecting these ducts against their destruction, caused by an undesirable increase in pressure or underpressure beyond threshold values acceptable. The damper is characterized by the fact that it consists of a four-sided metal frame (3) made of profile elements, one side of which is pivotally connected to the door (7), equipped with a catch (8), cooperating with the catch (10) of the release mechanism (11) , while elastic seals are placed between the side wall of the door (8), their inner wall and the outer surface of the ventilation duct (17) (2), the release mechanism (11) is equipped with an electromagnet (12), electrically connected to the source power supply (14) and with the pressure switch controlling it (15).

PL399235A 2012-05-18 2012-05-18 Drop flap PL221143B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL399235A PL221143B1 (en) 2012-05-18 2012-05-18 Drop flap

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL399235A PL221143B1 (en) 2012-05-18 2012-05-18 Drop flap

Publications (2)

Publication Number Publication Date
PL399235A1 true PL399235A1 (en) 2013-11-25
PL221143B1 PL221143B1 (en) 2016-02-29

Family

ID=49626473

Family Applications (1)

Application Number Title Priority Date Filing Date
PL399235A PL221143B1 (en) 2012-05-18 2012-05-18 Drop flap

Country Status (1)

Country Link
PL (1) PL221143B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106635071A (en) * 2016-10-27 2017-05-10 中冶焦耐(大连)工程技术有限公司 An extraordinary release device for accident release of smoke dust collection hood on the top of coke oven

Also Published As

Publication number Publication date
PL221143B1 (en) 2016-02-29

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