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US 10,398,280 B2Granted
Surface cleaning apparatus
AssigneeBISSELL Homecare, Inc.
InventorsAlan J. Krebs, Ming Luo, Jin Yang
Life of this patent
Estimating the term…
Abstract
A surface cleaning apparatus, such as a steam mop, includes a steam delivery system having a steam delivery pathway. A fragrance dispenser for receiving a fragrant material is provided on the apparatus, and a portion of the steam delivery pathway is in in heat exchange relationship with the fragrance dispenser to heat the fragrant material in the fragrance dispenser by heat transfer from the steam in the pathway. Fragrance is dispensed from apparatus via heat transfer utilizing the steam pathway as a thermal radiation source.
Claims20
A surface cleaning apparatus, comprising:
- an upright handle assembly;
- a base coupled with the upright handle assembly;
- a steam delivery system comprising:
- a supply tank for receiving and storing a cleaning fluid;
- a steam generator fluidly coupled with the supply tank and comprising a heating element configured to heat liquid to at least 100° C. to generate steam;
- a steam distributor provided with the base and having a steam outlet for delivering steam to the surface to be cleaned;
- and
- a steam delivery pathway between the steam generator and the steam outlet, the steam delivery pathway comprising a conduit extending through the base to the steam distributor;
- and
- a fragrance dispenser provided on the base for receiving a fragrant material and adapted to be heated by thermal radiation;
- wherein the steam delivery pathway is configured to deliver steam from the steam generator to the steam outlet and at least one of the conduit or the steam distributor is configured to be heated by the steam to define a heated part, the heated part in an indirect heat exchange relationship with the fragrance dispenser and configured to heat the fragrance dispenser by indirect heat transfer.
8 more elements
A surface cleaning apparatus, comprising:
- a supply tank for receiving and storing a cleaning fluid;
- a steam generator fluidly coupled with the supply tank and comprising a heating element configured to heat liquid to at least 100° C. to generate steam;
- a steam nozzle having a nozzle inlet and a nozzle outlet for delivering steam to the surface to be cleaned;
- a fragrance dispenser for receiving a fragrant material;
- and
- a steam delivery pathway between the steam generator and the nozzle outlet, and wherein at least a portion of the steam delivery pathway is configured to provide radiant heat to the fragrance dispenser to heat the fragrance dispenser by indirect thermal radiation heat transfer from the steam in the steam delivery pathway.
3 more elements
A surface cleaning apparatus, comprising:
- an upright handle assembly;
- a base coupled with the upright handle assembly;
- a steam delivery system, comprising:
- a supply tank for receiving and storing a cleaning fluid;
- a steam generator fluidly coupled with the supply tank and comprising a heating element configured to heat liquid to at least 100° C. to generate steam;
- a steam distributor provided with the base and having a steam inlet and a steam outlet for delivering steam to the surface to be cleaned;
- and
- a steam delivery pathway between the steam generator and the steam distributor, the steam delivery pathway comprising a conduit extending through the base to the steam distributor;
- a fragrance dispenser provided within an upper portion of the base and configured for receiving a fragrant material;
- and
- an air space between the fragrance dispenser and the steam distributor and between the fragrance dispenser and the conduit;
- wherein the steam delivery pathway is configured to deliver steam from the steam generator to the steam outlet and at least one of the conduit or the steam distributor is configured to be heated by the steam and heat is transferred via the air space from the steam through heating of the at least one of the conduit or the steam distributor by thermal radiation in an indirect heat exchange relationship with the fragrance dispenser to protect the fragrant material from moisture of the steam.
9 more elements
Dependencies are inferred from the claim text.