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公开(公告)号：US20160131392A1
公开(公告)日：2016-05-12
申请号：US14932068
申请日：2015-11-04
Applicant: CANPLAS INDUSTRIES LTD.
Inventor： JAMES MANTYLA , SCOTT BALDWIN
CPC classification number: F24F13/20 , F24F7/02 , F24F13/082 , F24F13/14
Abstract: A goose neck style vent has a base that registers with a surface opening of a building, and upstanding walls which form a portion of a curved air flow pathway above the vent opening. A top portion of the vent registers with the base to complete the curved air flow pathway and define an air outlet opening. The top includes a screen that hinges to cover the air outlet opening. A flapper valve is positioned across the curved air flow pathway and is hinged to the base at one end. The opposite free end of the flapper valve is urged to a closed position by gravity and to an open position by air pressure from below. An upstanding air deflecting baffle extends above the free end of the flapper, and limits air gusts passing through the screen and under the free end of the flapper valve.
Abstract translation: 鹅颈式通风口具有与建筑物的表面开口对齐的基部，以及在通气口上方形成弯曲气流通道的一部分的直立壁。 排气口的顶部与底座相配合，以完成弯曲的气流通道并限定出气口。 顶部包括铰链以覆盖出气口的屏幕。 挡板阀横跨弯曲的气流通道定位，并在一端铰接到基座。 挡板阀的相对的自由端通过重力被推动到关闭位置，并且通过下方的空气压力被推到打开位置。 一个直立的空气偏转挡板延伸在挡板的自由端的上方，并限制穿过屏幕并在挡板阀的自由端下方的空气阵风。
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公开(公告)号：US20170146253A1
公开(公告)日：2017-05-25
申请号：US15338710
申请日：2016-10-31
Applicant: CANPLAS INDUSTRIES LTD.
Inventor： JAMES MANTYLA , SCOTT BALDWIN , JEFF BAYLEY
IPC: F24F7/02
CPC classification number: F24F7/02 , F24F2221/52
Abstract: A roof vent for an off peak roof location. The roof vent has a base and vent cap. The base includes an attachment flange, a central opening and an upstanding wall surrounding the central opening. The vent cap covers the central opening and has a solid periphery extending down to the attachment flange, and a grill portion located on an outer upwardly facing surface of the cap. A barrier platform is disposed under the grill portion over the central opening to deflect moisture passing through the grill away from the central opening. Vented air passes through the central opening, between the underside of the barrier platform and the attachment flange, between the top side of the barrier platform and the underside of the vent cap and then out through the grill.
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公开(公告)号：US20170122609A1
公开(公告)日：2017-05-04
申请号：US14932389
申请日：2015-11-04
Applicant: CANPLAS INDUSTRIES LTD.
Inventor： JAMES BRIAN MANTYLA , SCOTT BALDWIN
Abstract: An adaptor for a passive roof vent is presented having a base securable to a roof deck and an integrally moulded stepped collar extending from the base on one side for connecting to different air duct sizes which defines a discharge end for an air flow passageway. A central well is defined by the collar adjacent to and below the base and is open towards the other side of the base and has a hinge pin for at least one flapper valve retained in the well below the base. At least one flapper valve, hinged to the hinge pin, pivots about a closed position to which the flapper valve is biased by gravity and an open position in which the flapper valve is opened by air pressure from below within the air flow passageway. The flapper valve remains partially within the well when the flapper valve is open.
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