Abstract: A product on demand nozzle assembly includes a chamber at least partially defined by an external wall and an array of vertically spaced nozzles. Each nozzle has an air inlet, an air and entrained product outlet extending from the external wall, and an entrainment zone between the air inlet and the air and entrained product outlet to receive a product therein to be distributed.

Abstract: A mask delivers oxygen and medication to a patient simultaneously without lifting and inserting a second line beneath the mask. This mask has an extension with fittings for at least two functions, including oxygen delivery and medication delivery through a medication supply device. The extension has the fittings mutually proximate and generally adjacent in a compact space for minimal disruption to the patient and ease of inspection by the medical staff. The mask also includes check valves for inhalation regulation of the patient. Regarding placement upon a patient's face, the mask has a perimeter flange and a strap for securement upon the head of a patient.

Abstract: A fan (10) is disclosed having a base (11) and a protective housing (12) encasing an electric motor (13) and a blade assembly (14). The base has two pivot mounts (21) to which a front support leg (22) and a rear support leg (23) are mounted. Each leg includes a mounting flange (24). The pivot mounts allow the pivotal movement of the protective housing relative to the pivot mounts and about horizontal axis AA. The base also includes a ceiling mount portion (28) which is mounted to the ceiling C. The ceiling mount portion includes a mounting plate (32), a rod (33), and a cup-shaped coupler (34). The coupler has an annular groove (35) therein adapted to receive the mounting flanges. The coupler is configured to allow the flanges to be rotated while nested within the groove, thereby allowing pivotal movement of the fan about the rod and about vertical axis AB.