	US 12,234,915 B2
	Damper adjusting arrangement
Gustav Stenberg, Skellefteå (SE)
Assigned to FUMEX AB, Skellefteå (SE)
Appl. No. 17/598,881
Filed by FUMEX AB, Skellefteå (SE)
PCT Filed Mar. 30, 2020, PCT No. PCT/SE2020/050324 § 371(c)(1), (2) Date Sep. 28, 2021, PCT Pub. No. WO2020/204791, PCT Pub. Date Oct. 8, 2020.
Claims priority of application No. 201920418258.1 (CN), filed on Mar. 29, 2019.
Prior Publication US 2022/0178449 A1, Jun. 9, 2022
Int. Cl. F16K 1/22 (2006.01); B08B 15/00 (2006.01); F16K 31/53 (2006.01); F16K 31/60 (2006.01)

CPC F16K 1/221 (2013.01) [B08B 15/00 (2013.01); F16K 31/535 (2013.01); F16K 31/60 (2013.01)]

20 Claims

1. A damper adjusting arrangement configured for regulating the flow of a gaseous fluid within a channel of an extractor tubing, the damper adjusting arrangement comprising: a damper member pivotably arranged in the channel and coupled to a rotary control means of the damper adjusting arrangement, wherein a first member of the rotary control means comprises a resilient element, which exhibits a plurality of radially and inwardly protruding first bulges being configured for engagement with a plurality of second bulges extending radially from an outermost perimeter surface of a second member of the rotary control means, wherein the first member further comprises a first leg and a second leg, and wherein the second member is positioned between and in contact with the first leg and the second leg of the first member.