Patent ID: 8443838
Filing Date: 2013-05-21
Classification: F16K,F25B,Y10T

Abstract:
1. Apparatus comprising a refrigerant control valve having a valve body, a through bore in the valve body, the through bore having a first end portion, a medial portion and a second end portion, plural tubes extending through the valve body, the tubes having first and second ends, plural lateral openings in the medial portion of the through bore, the first ends of the tubes severally connected to the lateral openings in the medial portion of the through bore, plural channels extending through the valve body, the plural channels having first and second ends, the first ends of the plural channels being connected respectively to the second ends of the plural tubes, a needle assembly mounted in the second end of the through bore, the needle assembly having a needle shaft with first and second ends, an end needle on the first end of the needle shaft, a longitudinal needle motion controller connected to the second end of the needle shaft, and disposed with the needle assembly to move the needle shaft in the through bore and to move the end needle in the through bore to selectively open and obscure the lateral openings and to control fluid flowing from them the first end portion of the through bore and through the plural lateral openings, the plural tubes and the plural channels.