# US 11,442,382 B2 · Imaging system with gloss treatment device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,442,382 B2 - Document ID: US11442382B2 - Status: Granted - Kind: B2 - Application number: 17/299,072 - Filed: 2020-07-15 - Published: 2022-05-05 - Granted: 2022-09-13 - Earliest claimed: 2019-07-22 - Assignees: Hewlett-Packard Development Company, L.P. - Applicants: Hewlett-Packard Development Company, L.P. - Inventors: Yasuo Suzuki; Koichi Utsunomiya - Web page: https://patentgrep.com/patent/US11442382B2 ## CPC - G03G 15/2021: {Plurality of separate fixing and/or cooling areas or units, two step fixing} - G03G 15/6585: {by using non-standard toners, e.g. transparent toner, gloss adding devices} - G03G 21/206: {Conducting air through the machine, e.g. for cooling, filtering, removing gases like ozone} - G03G 15/2064: {combined with pressure} - G03G 2215/00805: Gloss adding or lowering device - G03G 2215/2022: the fixing nip having both a stationary and a rotating belt support member opposing a pressure member - G03G 2215/2032: the belt further entrained around additional rotating belt support members - G03G 2221/1645: for conducting air through the machine, e.g. cooling - G03G: ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY ## Abstract An imaging system includes an endless belt to convey a medium, a heating member to heat the endless belt, a pressure member to press the endless belt against the heating member, and a cooling device. The cooling device is in contact with the endless belt at a non-linear portion of the endless belt and includes an interior space. ## Claims ### Claim 1 A system comprising: an endless belt to convey a medium; a heating member to heat the endless belt; a pressure member to press the endless belt against the heating member; and a cooling device in contact with the endless belt at a non-linear portion of the endless belt which at least partially wraps around the cooling device, wherein the cooling device comprises: a ventilation interior portion that is an interior space inside the cooling device and that extends in a longitudinal direction of the cooling device, the ventilation interior portion to provide a cooling airflow along the longitudinal direction of the cooling device, and a slit extending along the longitudinal direction of the cooling device and to discharge the cooling airflow from the ventilation interior portion through the slit to outside the cooling device and toward an inner circumferential surface of the endless belt. ### Claim 2 (depends on 1) The system of claim 1, wherein the non-linear portion of the endless belt includes a separation point to separate the medium from the endless belt, wherein the pressure member presses the endless belt against the heating member at a nip region, and wherein a linear portion of the endless belt formed between the nip region and the separation point is connected to the non-linear portion of the endless belt at the cooling device. ### Claim 3 (depends on 2) The system of claim 2, wherein the cooling device includes a flat portion in contact with the linear portion of the endless belt. ### Claim 4 (depends on 1) The system of claim 1, wherein the cooling device includes a curved portion in contact with the non-linear portion of the endless belt. ### Claim 5 (depends on 1) The system of claim 1, comprising: a ventilation system to generate the cooling airflow to pass through the ventilation interior portion of the cooling device, wherein the longitudinal direction of the cooling device is perpendicular to a conveying direction of the endless belt. ### Claim 6 (depends on 1) The system of claim 1, wherein the cooling device includes a flat portion and a curved portion that extends from the flat portion, the curved portion contacting the non-linear portion of the endless belt, and the flat portion contacting a linear portion of the endless belt. ### Claim 7 (depends on 6) The system of claim 6, wherein the flat portion extends from the curved portion along a tangent line of the curved portion. ### Claim 8 (depends on 6) The system of claim 6, wherein the flat portion and the curved portion of the cooling device comprise a metal. ### Claim 9 (depends on 1) The system of claim 1, comprising a heat pipe in contact with an inner surface of the cooling device. ### Claim 10 (depends on 1) The system of claim 1, wherein the cooling device comprises a guide wall provided in the ventilation interior portion, to guide the cooling airflow along the longitudinal direction. ### Claim 11 (depends on 1) The system of claim 1, comprising: a wind shield wall provided between the cooling device and the heating member, to inhibit the cooling airflow discharged from the slit from reaching the heating member. ### Claim 12 (depends on 11) The system of claim 11, wherein the wind shield wall is a plate-shaped member that extends in the longitudinal direction of the cooling device, and wherein the wind shield wall includes: a first surface that faces the cooling device, and a second surface, opposite to the first surface, that faces the heating member. ### Claim 13 (depends on 3) The system of claim 3, wherein the flat portion of the cooling device has a length in the longitudinal direction that is longer than a width of the endless belt in the longitudinal direction of the cooling device. ### Claim 14 (depends on 1) The system of claim 1, wherein the cooling device comprises a belt roller to rotate in accordance with a movement of the endless belt in a conveying direction of the endless belt. ### Claim 15 (depends on 10) The system of claim 10, wherein the guide wall extends along the longitudinal direction. ### Claim 16 (depends on 15) The system of claim 15, wherein the guide wall comprises a plate-shaped member extending along the longitudinal direction. ### Claim 17 (depends on 16) The system of claim 16, wherein the cooling airflow is along a space between the plate-shaped member and the slit. ### Claim 18 A system comprising: an endless belt to convey a medium in a conveying direction; a heating member to heat the endless belt; a pressure member to press the endless belt against the heating member; and a cooling device in contact with the endless belt at a non-linear portion and at a linear portion of the endless belt, wherein the cooling device comprises: a ventilation interior portion that is an interior space inside the cooling device and that extends in a longitudinal direction of the cooling device, the ventilation interior portion to provide a cooling airflow along the longitudinal direction of the cooling device, wherein the longitudinal direction intersects the conveying direction, and a slit extending along the longitudinal direction of the cooling device and to discharge the cooling airflow from the ventilation interior portion through the slit to outside the cooling device and toward an inner circumferential surface of the endless belt. ### Claim 19 (depends on 18) The system of claim 18, wherein the cooling device includes a flat portion and a curved portion that extends from the flat portion, the curved portion contacting the non-linear portion of the endless belt, and the flat portion contacting the linear portion of the endless belt. ### Claim 20 (depends on 19) The system of claim 19, wherein the flat portion extends from the curved portion along a tangent line of the curved portion.