Refrigeration – Refrigeration producer – With refrigerant treater
Patent
1997-07-14
1999-06-08
Sollecito, John M.
Refrigeration
Refrigeration producer
With refrigerant treater
210282, 96108, 96151, F25B 4300
Patent
active
059101652
ABSTRACT:
A receiver/dryer (10) includes a canister (12) with a cylindrical sidewall (13), an integral lower end (14), and an open upper end (16). A pick-up tube (18) is disposed centrally within the canister. According to one aspect, the lower end (19) of the pick-up tube has a wedged-shape and which is supported by the lower end of the canister. The upper end (20) of the pick-up tube has an annular groove (21) which carries an O-ring seal (22). A lower baffle (23) and lower filter pad (40) are received over the pick-up tube with the lower baffle having a tight slip-fit therewith; loose desiccant (24) is introduced into the canister and supported by the lower baffle and filter pad; and then an upper filter pad (50) and upper baffle (44) are received over the pick-up tube, with the upper baffle having a slip-fit therewith. An upper end cap (60) is then secured to the open end of the canister, with the pick-up tube being received within an outlet passage (64) in the upper end cap and a fluid-tight seal being provided between the pick-up tube (70) and the end cap by the O-ring seal. According to another aspect, a desiccant tube is disposed in fluid-tight relation around the pick-up tube and extends between the lower baffle and the upper baffle. The lower baffle has a fluid-tight fit with the desiccant tube, and preferably has an annular bead (72) and annular flange (74) on the desiccant tube retaining the baffle to the tube. In this further aspect, the pick-up tube can be connected off-center to the end cap, and then bent or curved so as to be aligned with the desiccant tube. In either aspect, the desiccant material can be loose fill, which reduces the over-all cost of the receiver/dryer.
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Ford Michael L.
Haramoto Cary
Wilson Tom C.
Hunter Christopher H.
Parker-Hannifin Corporation
Sollecito John M.
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