US 11,938,429 B2
Filter device and method of manufacturing the filter device
Takafumi Kato, Koga (JP); Toshiaki Agui, Koga (JP); and Toshiyuki Yonemoto, Kariya (JP)
Assigned to KYOSAN DENKI CO., LTD., Koga (JP)
Filed by KYOSAN DENKI CO., LTD., Koga (JP)
Filed on Aug. 25, 2021, as Appl. No. 17/411,190.
Application 17/411,190 is a continuation of application No. PCT/JP2020/011402, filed on Mar. 16, 2020.
Claims priority of application No. 2019-052934 (JP), filed on Mar. 20, 2019.
Prior Publication US 2021/0379516 A1, Dec. 9, 2021
Int. Cl. B01D 36/00 (2006.01); B01D 17/04 (2006.01); B01D 29/00 (2006.01); B01D 35/027 (2006.01); B01D 35/30 (2006.01); F02M 37/24 (2019.01)
CPC B01D 36/005 (2013.01) [B01D 17/045 (2013.01); B01D 29/0093 (2013.01); B01D 35/027 (2013.01); B01D 35/306 (2013.01); B01D 2201/0423 (2013.01); F02M 37/24 (2019.01)] 3 Claims
OG exemplary drawing
 
1. A filter device, comprising:
a case which provides a fluid passage;
an element which is accommodated in the case and filters fluid in the fluid passage;
a water separator which is accommodated in the case and separates water from the fluid;
passage connecting members which form a fluid passage between the element and the water separator, and separably connect the element and the water separator;
a holding member which holds the water separator with respect to the case while making the water separator movable with respect to the case; and
a support member which movably supports the element by a movable distance in a radial direction, wherein
a movable distance of the water separator in the radial direction is set to be larger than the movable distance of the element, and
the holding member has a positioning surface which guides a central axis of the water separator toward a central axis of the case by coming into contact with the water separator.