# US 10,479,178 B2 · Fuel cell system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,479,178 B2 - Document ID: US10479178B2 - Status: Granted - Kind: B2 - Application number: 14/939,933 - Filed: 2015-11-12 - Published: 2016-05-19 - Granted: 2019-11-19 - Earliest claimed: 2014-11-14 - Assignees: Toyota Jidosha Kabushiki Kaisha - Applicants: Toyota Jidosha Kabushiki Kaisha - Inventors: Shuji Nagano; Yuichi Yagami - Web page: https://patentgrep.com/patent/US10479178B2 ## CPC - B60K 1/04: of the electric storage means for propulsion - B60L 50/72: Constructional details of fuel cells specially adapted for electric vehicles - H01M 8/04089: of gaseous reactants - B60K 2001/0438: {Arrangement under the floor} - B60R 16/0207: {Wire harnesses} - H01M 2250/20: Fuel cells in motive systems, e.g. vehicle, ship, plane - Y02E 60/50: Fuel cells - Y02T 90/40: Application of hydrogen technology to transportation, e.g. using fuel cells - B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A fuel cell system includes: a fuel cell that causes electrochemical reaction of an anode gas and a cathode gas; a plurality of auxiliary machines that are used for operation of the fuel cell; and a fuel cell system case that is configured to place the fuel cell and the plurality of auxiliary machines therein, wherein, in the fuel cell system case, a surface from which a first cable harness including first electric wire used for supplying electric power to the plurality of auxiliary machines is taken out differs from a surface from which a second cable harness including second electric wire for supplying larger electric power than the electric power of the first electric wire is taken out. ## Claims ### Claim 1 A fuel cell system to be mounted on a vehicle, comprising: a fuel cell that causes electrochemical reaction of an anode gas and a cathode gas; a plurality of auxiliary machines that are used for operation of the fuel cell; and a fuel cell system case that is configured to accommodate the fuel cell and the plurality of auxiliary machines therein, wherein the fuel cell system case accommodating the fuel cell and the plurality of auxiliary machines includes: a first surface from which a first cable harness extends, the first cable harness including first electric wire used for supplying electric power to the plurality of auxiliary machines, and a second surface from which a second cable harness extends, the second cable harness including second electric wire for supplying larger electric power than the electric power of the first electric wire to an equipment other than the fuel cell, the equipment being accommodated with the fuel cell in the fuel cell system case, wherein the first surface of the fuel cell system case faces in a first direction different from a second direction that the second surface of the fuel cell system case faces, and wherein the second surface of the fuel cell system case is either a surface that is opposed to a front side of the vehicle or a surface that is opposed to a rear side of the vehicle. ### Claim 2 (depends on 1) The fuel cell system in accordance with claim 1, wherein the fuel cell system case includes a fuel cell case that is configured to accommodate the fuel cell therein, and an auxiliary machinery case accommodating the plurality of auxiliary machines. ### Claim 3 (depends on 2) The fuel cell system in accordance with claim 2, wherein at least a part of the auxiliary machinery case is covered with a resin cover. ### Claim 4 (depends on 1) The fuel cell system in accordance with claim 1, wherein the equipment is a pump for supplying the anode gas to the fuel cell. ### Claim 5 (depends on 1) The fuel cell system in accordance with claim 1, wherein the first surface of the fuel cell system case is a surface that faces rightward of the vehicle or a surface that faces leftward of the vehicle, and wherein the first cable harness is disposed in a recessed portion formed in the fuel cell system case. ### Claim 6 (depends on 1) The fuel cell system in accordance with claim 1, wherein the first cable harness is disposed outward in width directions of the vehicle from an outlet of the second surface of the fuel cell system case through which the second cable harness extends. ### Claim 7 (depends on 1) The fuel cell system in accordance with claim 1, wherein the first cable harness includes third electric wire for transmitting an electrical signal acquired from the plurality of auxiliary machines. ### Claim 8 (depends on 1) The fuel cell system in accordance with claim 1, wherein the first surface of the fuel cell system case includes a first outlet through which the first cable harness extends; and wherein the second surface of the fuel cell system case includes a second outlet through which the second cable harness extends.