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An air blower for a spa or the like having an outside enclosure formed by a cover that is fitted tightly onto a base, with a blower-and-motor unit centrally located in the enclosure and air inlet passages extending from the bottom wall of the base along opposite sides thereof upwardly into an air ch

An air blower for a spa or the like having an outside enclosure formed by a cover that is fitted tightly onto a base, with a blower-and-motor unit centrally located in the enclosure and air inlet passages extending from the bottom wall of the base along opposite sides thereof upwardly into an air chamber in the cover, to the intake of the blower. An acoustical foam lining is provided for the air intake chamber, and the blower is mounted in a nest of acoustical foam and clamped against an internal platform on the base. Blocks of acoustical foam in the air inlet passages in the base, on opposite sides of a central outlet passage, overlie the inlets through the platform into the air chamber, blocking straight-line paths through the passages and partially covering the wall of the outlet passage.

대표청구항 ▼

An air blower assembly, comprising: a blower-and-motor unit having an enlarged upper end constituting a blower with an air intake on its upper side and an air outlet on its lower side; a cup-shaped base having an open upper side, a sidewall and a lower end wall opposite said open side formed with a

An air blower assembly, comprising: a blower-and-motor unit having an enlarged upper end constituting a blower with an air intake on its upper side and an air outlet on its lower side; a cup-shaped base having an open upper side, a sidewall and a lower end wall opposite said open side formed with a centrally located air outlet port, said unit being disposed in said base with said blower adjacent the open side of the base; means in said base forming a supporting structure for said unit and including a platform extending across the base and having a central opening through which said unit hangs into the interior of said base, a nest composed of acoustical foam resting on said platform and surrounding said blower, said nest having a bottom wall formed with an opening that is aligned with the opening in said platform and an open top that overlies the air intake of said blower, and means clamping said unit and said nest against said platform; an inverted cup-shaped cover fitted tightly over said open side of said base and including an end wall spaced above said blower, and a sidewall spaced outwardly from said blower and telescoping with the sidewall of said base to enclose the blower-and-motor unit and define an enclosed air chamber above said blower; layers of acoustical foam covering the end wall and sidewall of said cover above said platform, and leaving an air chamber between said blower and the layers of acoustical foam; means in said base defining at least one air inlet port in said end wall of said base and at least one elongated air passage from said air inlet port to said chamber, for admitting air into said blower; and an acoustical foam barrier in said air passage defining a tortuous path between said chamber and said air inlet port and blocking any straight-line path in said air passage.