Abstract: An outlet box system (1) for a central vacuum system (3). The outlet box system (1) includes a casing assembly (5) for operatively mounting onto a given support structure (7), the casing assembly (5) having a substantially closed body (9) provided with first and second ports (11,13), the first port (11) being sealingly connectable via piping (15) to the central vacuum system (3), and the second port (13) being configured for allowing a vacuum hose (17) of the central vacuum system (3) to extend therethrough and out from the casing assembly (5). The outlet box system (1) also includes a door assembly (19) operatively mountable onto the casing assembly (5) in a substantially sealed manner, the door assembly (19) being configured for allowing a user to selectively have access to an inside portion (21) of the casing assembly (5).

Abstract: A central vacuum system includes a motor-cooling airflow path that provides sufficient cooling for the motor and its drive components even though the cooling air is partially restricted by a downstream filter that captures airborne carbon dust emitted from the motor's commutator brushes. A divider system creates multiple chambers within the vacuum system's canister, and in some embodiments, air passageways in the canister and in the divider system direct the cooling air through the chambers in a flow pattern that avoids contaminating the drive components with carbon dust.

Abstract: A central vacuum system includes a motor-cooling airflow path that provides sufficient cooling for the motor and its drive components even though the cooling air is partially restricted by a downstream filter that captures airborne carbon dust emitted from the motor's commutator brushes. A divider system creates multiple chambers within the vacuum system's canister, and in some embodiments, air passageways in the canister and in the divider system direct the cooling air through the chambers in a flow pattern that avoids contaminating the drive components with carbon dust.

Abstract: A central vacuum system includes a cylindrical canister with a slide-out filter drawer that can be used either in a filtered or cyclonic vacuum system. The drawer permits servicing the filter without having to otherwise open the canister. The dirtier upstream side of the filter element faces downward to help prevent dust from piling up on the filter element.