CA2938306C - Clapet antiretour normalement ouvert dote d'un battant suspendu - Google Patents

Clapet antiretour normalement ouvert dote d'un battant suspendu Download PDF

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Publication number
CA2938306C
CA2938306C CA2938306A CA2938306A CA2938306C CA 2938306 C CA2938306 C CA 2938306C CA 2938306 A CA2938306 A CA 2938306A CA 2938306 A CA2938306 A CA 2938306A CA 2938306 C CA2938306 C CA 2938306C
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CA
Canada
Prior art keywords
flapper
valve body
open
normally
valve
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.)
Active
Application number
CA2938306A
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English (en)
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CA2938306A1 (fr
Inventor
Zhengyi Xu
Harvey Grodjesk
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.)
Rectorseal LLC
Original Assignee
Rectorseal LLC
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Filing date
Publication date
Priority claimed from US15/194,997 external-priority patent/US20170051493A1/en
Application filed by Rectorseal LLC filed Critical Rectorseal LLC
Publication of CA2938306A1 publication Critical patent/CA2938306A1/fr
Application granted granted Critical
Publication of CA2938306C publication Critical patent/CA2938306C/fr
Active legal-status Critical Current
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Abstract

Un clapet antiretour normalement ouvert couplé de manière fluidique entre un ou plusieurs conduits dévacuation dun bâtiment, ou autre emplacement, et un système dégout, ou drainage, comprend un corps de clapet comportant un passage découlement de fluide orienté horizontalement, un volet mobile par pivotement intégré et au moins un espaceur configuré pour positionner le volet au-dessus de la surface intérieure inférieure du corps de clapet dans le passage lorsque le volet et en position ouverte.
CA2938306A 2015-08-19 2016-08-05 Clapet antiretour normalement ouvert dote d'un battant suspendu Active CA2938306C (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201562283054P 2015-08-19 2015-08-19
US62/283,054 2015-08-19
US201662398040P 2016-02-16 2016-02-16
US62/398,040 2016-02-16
US15/194,997 US20170051493A1 (en) 2015-08-19 2016-06-28 Normally-open backwater valve with suspended flapper
US15/194,997 2016-06-28

Publications (2)

Publication Number Publication Date
CA2938306A1 CA2938306A1 (fr) 2017-02-19
CA2938306C true CA2938306C (fr) 2018-10-30

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ID=58095128

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2938306A Active CA2938306C (fr) 2015-08-19 2016-08-05 Clapet antiretour normalement ouvert dote d'un battant suspendu

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CA (1) CA2938306C (fr)

Also Published As

Publication number Publication date
CA2938306A1 (fr) 2017-02-19

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