# US 10,765,389 B2 · Detector device comprising a cooling air pathway for cooling an x-ray detector > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,765,389 B2 - Document ID: US10765389B2 - Status: Granted - Kind: B2 - Application number: 15/985,871 - Filed: 2018-05-22 - Published: 2018-11-29 - Granted: 2020-09-08 - Earliest claimed: 2017-05-29 - Assignees: Siemens Healthcare GmbH - Applicants: Siemens Healthcare GmbH - Inventors: Thorsten Ergler; Jan Wrege - Web page: https://patentgrep.com/patent/US10765389B2 ## CPC - A61B 6/4488: {Means for cooling (A61B6/045 takes precedence)} - A61B 6/4208: {characterised by using a particular type of detector} - A61B 6/035: {Mechanical aspects of CT} - A61B 2560/0406: specially shaped apparatus housings - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract A detector device includes a cooling air pathway for cooling an X-ray detector. The detector device furthermore includes a detector interior space surrounding the X-ray detector. The cooling air pathway runs through at least one subregion of the detector interior space. The detector device includes a pressure limitation unit with a limitation device arranged along the cooling air pathway. The limitation device is designed, based on an incoming cooling air flow, to route a limited volume flow along the cooling air pathway at the X-ray detector. ## Claims ### Claim 1 A detector device, comprising: a cooling air pathway, formed by sidewalls, to cool an X-ray detector, a detector interior space surrounding the X-ray detector, the cooling air pathway running through at least one subregion of the detector interior space; and a pressure limitation unit including a limitation device, arranged along the cooling air pathway, the limitation device being designed to route a limited volume flow along the cooling air pathway at the X-ray detector, based on an incoming cooling air flow, wherein the limitation device includes a turbulence-producing body in the cooling air pathway. ### Claim 2 (depends on 1) The detector device of claim 1, wherein at least one of a height of the limitation device, a width of the limitation device, a depth of the limitation device, an inlet opening of the limitation device and an outlet opening of the limitation device is designed to limit a volume flow, based on an incoming cooling air flow. ### Claim 3 (depends on 2) The detector device of claim 2, further comprising: an air guide element, designed to route the limited volume flow along a subregion of the X-ray detector. ### Claim 4 (depends on 1) The detector device of claim 1, wherein the turbulence-producing body is a grid. ### Claim 5 (depends on 1) The detector device of claim 1, further comprising: an air guide element, between subregions of the detector interior space, designed to route the limited volume flow along at least one of the subregions of the X-ray detector. ### Claim 6 (depends on 1) The detector device of claim 1, further comprising: a heat sink, thermally coupled to the X-ray detector, the limited volume flow being configured to flow around the heat sink. ### Claim 7 (depends on 1) The detector device of claim 1, wherein the pressure limitation unit is arranged downstream relative to the detector interior space. ### Claim 8 (depends on 1) The detector device of claim 1, wherein the pressure limitation unit is arranged in the detector interior space. ### Claim 9 (depends on 8) The detector device of claim 8, wherein the pressure limitation unit is a heat sink. ### Claim 10 (depends on 1) The detector device of claim 1, wherein the pressure limitation unit is arranged upstream relative to the detector interior space and wherein the limitation device is designed, based on cooling air flowing into the pressure limitation unit, to route the limited volume flow from the pressure limitation unit along the cooling air pathway into the detector interior space. ### Claim 11 (depends on 10) The detector device of claim 10, wherein the limitation device includes a valve. ### Claim 12 (depends on 11) The detector device of claim 11, wherein the valve includes a switching point to automatically open the valve. ### Claim 13 (depends on 12) The detector device of claim 12, further comprising: an air guide element, designed to route the limited volume flow along a subregion of the X-ray detector, wherein a partial flow rate routed through the valve is shielded from the subregion of the X-ray detector via the air guide element. ### Claim 14 (depends on 11) The detector device of claim 11, further comprising: an air guide element, designed to route the limited volume flow along a subregion of the X-ray detector, wherein a partial flow rate routed through the valve is shielded from the subregion of the X-ray detector via the air guide element. ### Claim 15 (depends on 1) A medical device, comprising: the detector device of claim 1; and a cooling circuit including a supply air duct, extending from an air duct to a cooling unit, at least one cooling air duct, extending from the cooling unit to the detector device, and an exhaust air duct, extending from the detector device to the air duct. ### Claim 16 (depends on 15) The medical device of claim 15, wherein the medical device is a computed tomography system. ### Claim 17 (depends on 16) The medical device of claim 16, wherein the air duct includes a rotor. ### Claim 18 (depends on 17) The medical device of claim 17, wherein at least one further cooling air duct is connected to a component. ### Claim 19 (depends on 16) The medical device of claim 16, wherein at least one further cooling air duct is connected to a component. ### Claim 20 (depends on 15) The medical device of claim 15, wherein at least one further cooling air duct is connected to a component. ### Claim 21 (depends on 1) The detector device of claim 1, wherein the pressure limitation unit is a heat sink. ### Claim 22 (depends on 1) The detector device of claim 1, wherein the limitation device is arranged upstream of the detector interior space in a direction of airflow along the cooling air pathway. ### Claim 23 (depends on 1) The detector device of claim 1, wherein the limitation device is an antechamber upstream of the detector interior space and is connected to the detector interior space via an outlet of the antechamber.