Abstract: A refrigerator includes an evaporator formed from an elongated tube wrapped with a ribbon of material having spine fins extending perpendiculary from the tube. Elongated, horizontal passes of tube are arranged in vertically extending rows defining vertically extending air flow passages. Fins extending into the lower portions of the air flow passages are bent from their perpendicular relationship with the tube.

Abstract: A refrigeration system comprising in closed series-flow relationship, a condenser, a capillary tube flow restrictor, and an evaporator including means connecting the outlet end of the restrictor to the evaporator inlet for reducing the noise generated by refrigerant flowing from the restrictor.

Abstract: A clamp assembly including a tubular elongated member having a portion of its circumference relatively smooth and a portion having a fin array comprising fins formed along a base line of the tubular elongated member. The fins extend radially outward from their attachment to the elongated member and are bent alternately to diverge away from each other. A clamp device having a base and at one end from the base it is fastened to a structural panel member and the other end from the base has two legs with a first portion spaced apart a distance sufficient to receive the tubular elongated member therebetween. The legs have a second portion diverging outwardly from the first portion, a third portion reversely bent relative to the second portion and forming inwardly directed resilient fingers converging toward the base and each other with the fingers having free ends and inwardly directed projections located near the free end.