Desiccant cartridge with seal
A desiccant cartridge ( 10 ) having a seal ( 12 ) therearound for forming a proper seal between cartridge ( 10 ) and canister ( 14 ) of a receiver/dryer or accumulator assembly includes a cup ( 16 ) extending along an axis ( 18 ) having inner wall portion ( 20 ) and outer wall portion ( 22 ) connected to transverse portion ( 24 ) to define a chamber ( 26 ) containing desiccant particles ( 30 ). Cap ( 70 ) is secured to cup ( 16 ) to secure the desiccant particles ( 30 ) inside chamber ( 26 ). Outer wall portion ( 22 ) is provided with the seal ( 12 ) that is composed of a flexible thermoplastic elastomer that is resistant to heat during welding shut of the canister ( 14 ).
1. A desiccant cup comprising:
an outer wall portion of defined length connected by a transverse portion to define a chamber having an opening, said outer wall portion including an outer surface having a first diameter (D 1 ) dimension, said first diameter (D 1 ) dimension being relatively constant along the length of said outer wall portion, said outer wall portion including a stop member positioned along said length and extending outwardly from said first diameter D 1 dimension and
a seal removably mounted over said outer surface of said outer wall portion and located intermediate said opening and said transverse portion for cooperating with a canister to form a seal therebetween, said seal comprising a thermoplastic elastomer and having a body and a lip, said seal being stretch fit around said outer surface and positioned atop said stop member with said body disposed in contiguous relation with said outer surface at a portion of said outer surface having said first diameter D 1 dimension and with said lip extending outwardly away from said outer surface.
2. The desiccant cup as recited in claim 1 in combination with a cap abutting said outer wall portion at said opening.
3. The desiccant cup as recited in claim 2 wherein said cap has a plurality of openings therein.