	US 12,257,883 B2
	Vehicle cabin filter assembly
Daniela Stiehler, Gloucester (GB); James Sebastian Harding, Swindon (GB); and Timothy James Godfrey, Bristol (GB)
Assigned to Dyson Technology Limited, Malmesbury (GB)
Appl. No. 17/258,007
Filed by Dyson Technology Limited, Wiltshire (GB)
PCT Filed Jul. 5, 2019, PCT No. PCT/GB2019/051910 § 371(c)(1), (2) Date Jan. 5, 2021, PCT Pub. No. WO2020/008211, PCT Pub. Date Jan. 9, 2020.
Claims priority of application No. 1811157 (GB), filed on Jul. 6, 2018.
Prior Publication US 2021/0276401 A1, Sep. 9, 2021
Int. Cl. B60H 3/06 (2006.01); B01D 46/00 (2022.01); B01D 46/10 (2006.01); B01D 46/52 (2006.01); B01D 46/62 (2022.01); B01D 53/04 (2006.01)

CPC B60H 3/06 (2013.01) [B01D 46/0036 (2013.01); B01D 46/10 (2013.01); B01D 46/522 (2013.01); B01D 46/62 (2022.01); B01D 53/0407 (2013.01); B01D 2257/708 (2013.01); B01D 2259/4566 (2013.01); B01D 2267/40 (2013.01); B01D 2279/40 (2013.01); B60H 3/0641 (2013.01); B60H 2003/065 (2013.01)]

19 Claims

1. A vehicle cabin filter assembly comprising:

a housing;

a filter module; and

a further filter module positioned downstream of the filter module,

wherein:

each of the filter module and further filter module comprises a frame, one or more filter elements secured to the frame, and a sealing element,

each filter module is mounted to the housing such that the sealing element provides a seal between the filter module and the housing,

the filter elements of the filter module are pleated at a first pleat pitch and comprise a gas filter element,

the filter elements of the further filter module are pleated at a second pleat pitch and comprise a particulate filter element, and

the second pleat pitch is smaller than the first pleat pitch.