US 11,656,010 B2
Evaporator with feed tube flow distributors for random gravitation and acceleration fields
Wei-Lin Cho, Unionville, CT (US)
Filed by Hamilton Sundstrand Corporation, Charlotte, NC (US)
Filed on Jun. 2, 2020, as Appl. No. 16/890,121.
Prior Publication US 2021/0372673 A1, Dec. 2, 2021
Int. Cl. F25B 39/00 (2006.01); F25B 39/02 (2006.01)
CPC F25B 39/028 (2013.01) 6 Claims
OG exemplary drawing
1. An evaporator assembly, comprising:
an inlet header; an outlet header;
an evaporator body extending from the inlet header to the outlet header and between first and second sides across a width of the evaporator body,
the evaporator body being solid and defining channels that are adjacent to each other between the first and second sides of the evaporator body and extend from the inlet header to the outlet header in a linear formation along their entire length to fluidly connected to the inlet and outlet headers, each of the channels being fluidly separate from each other and having a same shape as each other,
each channel of the channels comprises:
grooves respectively delimited by first and second interior facing sidewalls of the evaporator body which form a base and an apex with an apex angle opposite the base;
a feed tube that extends therein with unfilled space between the feed tube and the base of the grooves of the channel, the feed tube comprising:
an adapter fluidly connected to the inlet header; and
a perforated tube extending in the linear formation along its entire length within the channel and fluidly connected to the inlet header through the adapter, the perforated tube comprising:
a first end attached to the adapter at the header inlet, a second end at the header outlet that is opposite the first end, and
orifices fluidly connecting the perforated tube to the channel, the orifices start at the adapter and extend longitudinally along a selected length of the perforated tube that is less than a length of the evaporator body, and terminate before the outlet header, and the second end of the perforated tube is sealed, thereby preventing fluid from exiting the perforated tube at the second end, and
at each of a plurality of discrete locations longitudinally along the perforated tube, there are a plurality of the grooves in the channel and a same number of the orifices circumferentially distributed in the perforated tube, and each of the orifices is aligned with one of the grooves.