# US 9,752,456 B2 · Turbocharger housing having a sealing device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,752,456 B2 - Document ID: US9752456B2 - Status: Granted - Kind: B2 - Application number: 13/509,639 - Filed: 2010-11-04 - Published: 2012-10-25 - Granted: 2017-09-05 - Earliest claimed: 2009-11-13 - Assignees: Continental Automotive GmbH - Applicants: Ralf Boening; Holger Faeth; Ralph-Maurice Koempel - Inventors: Ralf Boening; Holger Faeth; Ralph-Maurice Koempel - Web page: https://patentgrep.com/patent/US9752456B2 ## CPC - F01D 25/24: Casings (modified for heating or cooling F01D25/14); Casing parts, e.g. diaphragms, casing fastenings (casings for rotary machines or engines in general F16M {; special arrangements in stators dealing with breaking-off of part of rotor F01D21/045}) - F02C 6/12: Turbochargers, i.e. plants for augmenting mechanical power output of internal-combustion piston engines by increase of charge pressure - F04D 29/083: {especially adapted for elastic fluid pumps} - F04D 29/4206: {especially adapted for elastic fluid pumps} - F16C 27/063: {Sliding contact bearings} - F05D 2230/53: by integrally manufacturing a component, e.g. by milling from a billet or one piece construction - F05D 2240/55: Seals - F16C 2360/24: Turbochargers - F01D: NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES (machines or engines for liquids F03; non-positive displacement pumps F04D) - F02C: GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS (construction of turbines F01D; jet-propulsion plants F02K; construction of compressors or fans F04; generating combustion products of high pressure or high velocity F23R; using gas turbines in compression refrigeration plants F25B11/00) - F04D: NON-POSITIVE-DISPLACEMENT PUMPS (engine fuel-injection pumps F02M; ion pumps H01J41/12; electrodynamic pumps H02K44/02) - F16C: SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS - F05D: INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS ## Abstract A turbocharger housing is divided along the longitudinal direction into at least two housing halves. The turbocharger housing includes a sealing device between the two housing halves for sealingly connecting the two housing halves. ## Claims ### Claim 1 A turbocharger housing assembly, comprising: a turbocharger housing having two housing halves dividing the turbocharger housing in a longitudinal direction thereof, each of said two housing halves including one half of a compressor housing, one half of a bearing housing, and one half of a turbine housing; and a sealing device between said two housing halves for sealingly connecting said two housing halves to one another; said sealing device including a first seal and a second seal being a different type of seal than said first seal; said first seal extending in the longitudinal direction of said turbocharger housing along a first housing section including said turbine housing and said bearing housing of said turbocharger housing; and said second seal extending in the longitudinal direction of said turbocharger housing along a second housing section including said compressor housing and at least a part of said bearing housing; wherein said first and second seals overlap or intersect only partially in only one area. ### Claim 2 (depends on 1) The turbocharger housing assembly according to claim 1, wherein said sealing device between said two housing halves comprises one or more seals selected from the group consisting of at least one beaded seal, an O-ring seal, and an elastomer seal. ### Claim 3 (depends on 2) The turbocharger housing assembly according to claim 2, wherein said sealing device is fastened in a seal seat. ### Claim 4 (depends on 2) The turbocharger housing assembly according to claim 2, wherein said one or more seals includes a flexible material that is a hard rubber, an elastomer, or a polymer. ### Claim 5 (depends on 1) The turbocharger housing assembly according to claim 1, wherein said sealing device has a seal seat formed of a level surface or a level surface section, wherein said seal seat is provided on one or both sides of at least one said two housing halves to receive at least one seal of said sealing device. ### Claim 6 (depends on 5) The turbocharger housing assembly according to claim 5, wherein a shape or cross section and/or dimensioning of said seal seat and/or of said seal is constant. ### Claim 7 (depends on 1) The turbocharger housing assembly according to claim 1, wherein said sealing device has a seal seat formed of a depression, and said seal seat is formed on one or both sides of at least one of said two housing halves for receiving at least one seal of said sealing device. ### Claim 8 (depends on 7) The turbocharger housing assembly according to claim 7, wherein said depression of said seal seat is one of a groove or a stepped profile. ### Claim 9 (depends on 7) The turbocharger housing assembly according to claim 7, wherein said seal seat is molded or free formed in one of said two housing halves in the form of a depression, or is milled in one of said two housing halves by a milling cutter. ### Claim 10 (depends on 7) The turbocharger housing assembly according to claim 7, wherein said seal seat is molded or free formed in said one or both sides of said at least one of said two housing halves in the form of a depression being a groove and/or a stepped profile. ### Claim 11 (depends on 1) The turbocharger housing assembly according to claim 1, wherein: said first seal is a beaded seal; and said second seal is an elastomer seal. ### Claim 12 (depends on 1) The turbocharger housing assembly according to claim 1, wherein said first seal and said second seal each contact both of said two housing halves.