# US 10,245,210 B2 · Whirlpool spa motor pump of whirlpool massage bathtub > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,245,210 B2 - Document ID: US10245210B2 - Status: Granted - Kind: B2 - Application number: 15/452,947 - Filed: 2017-03-08 - Published: 2017-10-12 - Granted: 2019-04-02 - Earliest claimed: 2017-03-08 - Assignees: J&A USA Inc. - Applicants: J&A USA Inc. - Inventors: YunHo Kim - Web page: https://patentgrep.com/patent/US10245210B2 ## CPC - A61H 33/0087: {Therapeutic baths with agitated or circulated water} - A61H 33/6063: {Specifically adapted for fitting in bathtub walls} - A61H 33/6073: {Intake mouths for recirculation of fluid in whirlpool baths} - F04D 1/06: Multi-stage pumps (F04D1/02, F04D13/10 take precedence) - F04D 13/06: the pump being electrically driven - A61H 2201/1207: with electric or magnetic drive - A61H: PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY (electrotherapy, magnetotherapy, radiation therapy or ultrasound therapy A61N) - F04D: NON-POSITIVE-DISPLACEMENT PUMPS (engine fuel-injection pumps F02M; ion pumps H01J41/12; electrodynamic pumps H02K44/02) ## Abstract The present invention relates to a whirlpool bathtub, in which the mounting structure of a whirlpool spa motor pump is improved such that the attachment and detachment of the whirlpool spa motor pump can be conveniently carried out inside the bathtub. To this end, the present invention includes a lower housing having an upper flange and a lower flange, an impeller for rotating by a motor, which is provided to the lower housing, so as to generate suction force, an upper housing coupled to an upper portion of the lower housing by a coupling means and having a suction holes and a discharge holes, two or more slider rails vertically provided on the outside of the lower housing, a mounting bolt provided to the upper and lower flanges, so as to be positioned at one side of the slider rail, a slider fitted with the mounting bolt, and a slider holder inserted into the slider so as to be screw-coupled with the mounting bolt. ## Claims ### Claim 1 A whirlpool spa motor pump of a whirlpool massage bathtub, comprising: a lower housing having an upper flange and a lower flange; an impeller for rotating by a motor, which is provided to the lower housing, so as to generate suction force; an upper housing coupled to an upper portion of the lower housing by a coupling means and having suction holes and discharge holes; two or more slider rails vertically provided on the outside of the lower housing; a mounting bolt provided to the upper and lower flanges so as to be positioned at one side of the slider rail; a slider fitted with the mounting bolt; and a slider holder inserted into the slider so as to be screw-coupled with the mounting bolt. ### Claim 2 (depends on 1) The whirlpool spa motor pump of a whirlpool massage bathtub according to claim 1, wherein each of the slider rails has an upwardly inclined surface formed on a concave groove portion at the lower part thereof and each of the sliders has a horizontally elongated hole and an inclined surface corresponding to the inclined surface of the concave groove portion such that the slider can horizontally move by the slider holder, which is screw-coupled with the mounting bolt. ### Claim 3 (depends on 2) The whirlpool spa motor pump of a whirlpool massage bathtub according to claim 2, wherein the slider is elastically provided to the slider holder by an elastic member so as to be horizontally moved on the slider holder. ### Claim 4 (depends on 1) The whirlpool spa motor pump of a whirlpool massage bathtub according to claim 1, wherein one pair of guide rails are formed at both sides of the slider rail so as to guide the lifting and lowering of the slider. ### Claim 5 (depends on 1) The whirlpool spa motor pump of a whirlpool massage bathtub according to claim 1, wherein extension parts are further formed at both sides of one end of the slider. ### Claim 6 (depends on 1) The whirlpool spa motor pump of a whirlpool massage bathtub according to claim 1, wherein an insertion hole is further formed in one surface of the slider such that the slider holder is inserted into the insertion hole. ### Claim 7 (depends on 1) The whirlpool spa motor pump of a whirlpool massage bathtub according to claim 1, wherein indented grooves are formed at both sides on the top surface of the slider such that slider feet are provided to the indented grooves. ### Claim 8 (depends on 7) The whirlpool spa motor pump of a whirlpool massage bathtub according to claim 7, wherein fixing holes are formed in the indented grooves, which are formed at both sides on the top surface of the slider, and protruded fitting parts are formed on the bottom surfaces of the slider feet such that the protruded fitting parts are fitted into the fixing holes. ### Claim 9 (depends on 8) The whirlpool spa motor pump of a whirlpool massage bathtub according to claim 8, wherein at least one or more annular protrusions are formed on the protruded fitting parts, which are formed on the slider feet, so as to be forcedly fitted into the fixing holes. ### Claim 10 (depends on 7) The whirlpool spa motor pump of a whirlpool massage bathtub according to claim 7, wherein at least one or more concave and convex parts are further formed on the top surfaces of the slider feet. ### Claim 11 (depends on 1) The whirlpool spa motor pump of a whirlpool massage bathtub according to claim 1, wherein a non-thread part is formed at the lower portion of the head part of the mounting bolt such that a washer and an O-ring are fitted on the non-thread part in sequence. ### Claim 12 (depends on 1) The whirlpool spa motor pump of a whirlpool massage bathtub according to claim 1, wherein another non-thread part is further formed from the lower portion of the mounting bolt to a position, at which the mounting bolt comes into contact with the top surface of the slider holder coupled to the slider, such that the mounting bolt idles when the slider is at the bottom dead point thereof. ### Claim 13 (depends on 12) The whirlpool spa motor pump of a whirlpool massage bathtub according to claim 12, wherein a stator is held on the lower end of the mounting bolt, which is exposed to the lower flange of the lower housing, so as to support the mounting bolt. ### Claim 14 (depends on 1) The whirlpool spa motor pump of a whirlpool massage bathtub according to claim 1, wherein at least one or more drain holes are formed in the lower housing. ### Claim 15 (depends on 14) The whirlpool spa motor pump of a whirlpool massage bathtub according to claim 14, wherein the lower housing has a portion, which is positioned at an upper side and in which any drain hole is not formed, and a marking part is indicated on the portion of the lower housing, in which any drain hole is not formed. ### Claim 16 (depends on 1) The whirlpool spa motor pump of a whirlpool massage bathtub according to claim 1, wherein at least one or more sealing rings are formed on the top surface of the lower housing so as to maintain the airtightness with respect to the upper housing.