# US 2013/0156499 A1 · Housing particularly for a motor vehicle hvac system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0156499 A1 - Document ID: US20130156499A1 - Status: Published application - Kind: A1 - Application number: 13/720,626 - Filed: 2012-12-19 - Published: 2013-06-20 - Earliest claimed: 2011-12-19 - Assignees: Behr GmbH & Co. - Inventors: Andreas Grieb; Rainer Buerkle; Thomas Feith - Web page: https://patentgrep.com/patent/US20130156499A1 ## CPC - B60H 1/00528: {Connections between housing parts} - F24F 13/20: Casings or covers - B60H: ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES - F24F: AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING (removing dirt or fumes from areas where they are produced B08B15/00; vertical ducts for carrying away waste gases from buildings E04F17/02; tops for chimneys or ventilating shafts, terminals for flues F23L17/02) ## Abstract A housing is provided for a motor vehicle HVAC system, which is formed from interconnectable housing parts and has a groove, delimited by a first and a second groove leg, on a first housing part and a tongue on a second housing part and in which to connect the housing parts the tongue is disposed in the groove. In this regard, the first and second groove legs are formed in such a way that in the inserted state of the tongue in the groove at least one groove leg at its free end is spaced apart from a corresponding tongue-side bearing shoulder of the second housing part. ## Claims ### Claim 1 A housing for a motor vehicle HVAC system, the housing comprising: interconnectable housing parts; and a groove delimited by a first and a second groove leg on a first housing part and a tongue on a second housing part, wherein, to connect the housing parts, the tongue is disposed in the groove, wherein the first and second groove legs are formed such that in the inserted state of the tongue in the groove, at least one groove leg at its free end is spaced apart from a corresponding tongue-side bearing shoulder of the second housing part. ### Claim 2 (depends on 1) The housing according to claim 1, wherein at least the groove leg, which in the inserted state of the tongue in the groove lies on a corresponding tongue-side shoulder of the second housing part, is rounded at its free end. ### Claim 3 (depends on 1) The housing according to claim 1, wherein the extensions of the groove leg sides, facing the groove interior, and the extensions of the two tongue flanks on which the tongue in the inserted state of the tongue in the groove lies on the groove leg inner surface, form different acute angles and/or the sealing direction, in which to connect the housing parts the tongue is to be inserted in the groove, forms different acute angles with the extensions of the groove leg sides, facing the groove interior, and/or the sealing direction, in which to connect the housing parts the tongue is to be inserted in the groove, forms different acute angles with the extensions of the two tongue flanks. ### Claim 4 (depends on 1) The housing according to claim 1, wherein the first and/or the second groove leg is formed tapering toward its free end and/or that the first or second groove leg is made thinner than the second or first groove leg. ### Claim 5 (depends on 1) The housing according to claim 1, wherein the tongue and the groove are formed in such a way that the tongue tip in the inserted state of the tongue in the groove lies on the groove base. ### Claim 6 A housing for a motor vehicle HVAC system, the housing comprising: interconnectable housing parts; and a groove delimited by a first and a second groove leg on a first housing part and a tongue on a second housing part, wherein, to connect the housing parts, the tongue is disposed in the groove and wherein the first groove leg in the inserted state of the tongue in the groove lies on a corresponding tongue-side bearing shoulder of the second housing part, and wherein the tongue is disposed on the second housing part such that the tongue-side housing wall has a geometry such that the second groove leg, which is formed longer than the first groove leg, in the inserted state of the tongue in the groove, lies on a corresponding bearing surface of the tongue-side housing wall of the second housing part. ### Claim 7 (depends on 6) The housing according to claim 6, wherein the tongue-side housing wall of the second housing part in the region of its bearing surface for the second groove leg has a predetermined oversize compared with the second groove leg in the region of its area that contact the bearing surface. ### Claim 8 (depends on 6) The housing according to claim 6, wherein the tongue-side housing wall forms a predetermined angle with a sealing direction, in which to connect the housing parts the tongue is to be inserted in the groove and/or the second groove leg is formed tapering toward its free end, particularly tapering gradually. ### Claim 9 (depends on 6) The housing according to claim 6, wherein the second groove leg is formed such that the second groove leg in the inserted state of the tongue in the groove follows the geometry of the tongue-side housing wall, particularly with the predetermined oversize. ### Claim 10 A housing for a motor vehicle HVAC system, the housing comprising: at least two interconnectable housing parts; a groove-like profile, which is delimited by a first and a second leg and is formed in a contact region, and provided for connecting the housing parts of a first housing part of the two housing parts, wherein a second housing part of the two housing parts in its contact region, provided for connecting the two housing parts, has an L-shaped profile, wherein the first leg of the groove-like profile is formed shorter than the second leg of the groove-like profile, and wherein, in the connected state of the two housing parts, the first and second leg of the groove-like profile at their free ends each lie on the same leg of the L-shaped profile of the second housing part.