# US 2018/0320969 A1 · Device for controlling the temperature of objects and method for controlling a device for controlling the temperature of objects > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0320969 A1 - Document ID: US20180320969A1 - Status: Published application - Kind: A1 - Application number: 15/764,920 - Filed: 2016-10-06 - Published: 2018-11-08 - Earliest claimed: 2015-10-06 - Assignees: Eisenmann SE - Applicants: Eisenmann SE - Inventors: Eduard Karl HACK - Web page: https://patentgrep.com/patent/US20180320969A1 ## CPC - F26B 21/35: Temperature; Pressure - F26B 21/37: Velocity of flow; Quantity of flow - F26B 23/002: {recovered from dryer exhaust gases (F26B23/022 takes precedence)} - F26B 23/02: using combustion heating ({F26B3/305, F26B13/186, F26B21/001, } F26B23/10 take precedence) - F26B 2210/12: Vehicle bodies, e.g. after being painted - Y02P 70/10: Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working - F26B: DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM (drying devices for combines A01D41/133; racks for drying fruit or vegetables A01F25/12; drying foodstuffs A23; drying hair A45D20/00; body-drying implements A47K10/00; drying household articles A47L; drying gases or vapours B01D; chemical or physical processes for dewatering or like separating liquids from solids B01D43/00; centrifugal apparatus B04; drying ceramics C04B33/30; drying yarns or fabrics in association with some other form of treatment D06C; drying frames for laundry without heating or positive air circulation, domestic laundry-or spin-driers, wringing or hot pressing laundry D06F; furnaces, kilns, ovens F27) - Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS ## Abstract A device for controlling the temperature of objects, in particular for drying coated vehicle bodies, and method for controlling the device, the device having a temperature control chamber and a cooling region connected to the temperature control chamber, a temperature control device for generating temperature control air, a control apparatus, and a heat exchanger. The heat exchanger has an outside air inlet, a hot air inlet connected to the cooling region and/or the temperature control device, and a cooling air outlet connected to the cooling region, and the control apparatus is designed to control the temperature of the outside air supplied via the outside air inlet using hot air supplied via the hot air inlet. ## Claims ### Claim 1 A device for controlling the temperature of objects comprising: a) a temperature control space and a cooling region which is connected to the temperature control space, b) a temperature control device for generating temperature control air, c) a control device, and d) a heat exchanger, wherein e) the heat exchanger has an external air feed line, a warm air feed line which is connected to the cooling region and/or the temperature control device, and a cooling air discharge line which is connected to the cooling region, and f) the control device is set up to control the temperature of external air which is fed in via the external air feed line by way of warm air which is fed in via the warm air feed line. ### Claim 2 (depends on 1) The device as claimed in claim 1, wherein the heat exchanger has a bypass line which connects the external air feed line and the cooling air discharge line. ### Claim 3 (depends on 2) The device as claimed in claim 2, wherein the bypass line has a control valve. ### Claim 4 (depends on 2) The device as claimed in claim 2, wherein the control device is set up to actuate the bypass line in a manner which is dependent on the temperature of the external air. ### Claim 5 (depends on 1) The device as claimed in claim 1, wherein the warm air is a pure gas of a thermal afterburning operation, cooling region waste air, direct temperature control space waste air and/or temperature control space waste air which is temperature controlled by way of the temperature control device. ### Claim 6 (depends on 1) The device as claimed in claim 1 further comprising a feed air system for feeding feed air to the cooling region, the feed air system being connected to the cooling air discharge line of the heat exchanger. ### Claim 7 (depends on 6) The device as claimed in claim 6, wherein the feed air system has a fan and/or a filter. ### Claim 8 (depends on 1) The device as claimed in claim 1, wherein the heat exchanger is configured as a plate heat exchanger. ### Claim 9 (depends on 1) The device as claimed in claim 1, wherein the heat exchanger has a temperature control air discharge line, via which the warm air which is fed to the heat exchanger can be output. ### Claim 10 A method for controlling a device for controlling the temperature of objects, the method comprising the following steps: a) determining of a temperature of external air; b) setting of an external air volumetric flow through a cooling air discharge line, which external air volumetric flow can be temperature controlled via a heat exchanger; and c) setting of a volumetric flow ratio between a volumetric flow which flows into the heat exchanger from a cooling region and a volumetric flow which flows into the heat exchanger from a temperature control device in a manner which is dependent on the temperature of the external air, wherein a device controlled comprises a temperature control space, the cooling region which is connected to the temperature control space, the temperature control device for generating temperature controlled temperature control space air, and the heat exchanger which has an external air feed line, a warm air feed line which is connected to the cooling region and the temperature control device, and the cooling air discharge line which is connected to the cooling region. ### Claim 11 (depends on 10) The method as claimed in claim 10, further comprising the step: deflecting of the external air volumetric flow around the heat exchanger through a bypass line in a manner which is dependent on the temperature of the external air. ### Claim 12 (depends on 11) The method as claimed in claim 11, further comprising the step of deflecting comprising complete deflection at a threshold temperature.