# US 2019/0356235 A1 · Electric power conversion device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0356235 A1 - Document ID: US20190356235A1 - Status: Published application - Kind: A1 - Application number: 16/405,013 - Filed: 2019-05-07 - Published: 2019-11-21 - Earliest claimed: 2018-05-18 - Assignees: Honda Motor Co., Ltd. - Applicants: Honda Motor Co., Ltd. - Inventors: Yusuke SHINDO; Jun KATO; Ryota KITAMOTO; Shinnosuke SATO; Toshiki IKEDA; Takanori SAKAGUCHI; Kosuke NISHIYAMA; Takaaki FUSHIMI - Web page: https://patentgrep.com/patent/US20190356235A1 ## CPC - B60L 15/2045: {for optimising the use of energy} - B60L 50/70: using power supplied by fuel cells (in combination with batteries B60L50/75) - H01F 27/02: Casings - H01G 2/02: Mountings - H02B 1/20: Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards (installations of bus-bars H02G5/00) - H02J 7/24: using discharge tubes or semiconductor devices - H02M 3/155: using semiconductor devices only - H02M 3/1584: {with a plurality of power processing stages connected in parallel} - H02M 7/003: {Constructional details, e.g. physical layout, assembly, wiring or busbar connections} - H05K 7/14322: {wherein the control and power circuits of a power converter are arranged within the same casing} - H05K 7/2089: {for power electronics, e.g. for inverters for controlling motor} - B60L 2210/14: Boost converters - H02K 11/33: Drive circuits, e.g. power electronics (H02K11/38 takes precedence) - H02M 3/003: {Constructional details, e.g. physical layout, assembly, wiring or busbar connections} - H02P 27/06: using DC to AC converters or inverters (H02P27/05 takes precedence) - Y02T 10/64: Electric machine technologies in electromobility - Y02T 10/72: Electric energy management in electromobility - Y02T 90/40: Application of hydrogen technology to transportation, e.g. using fuel cells - 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 - H01F: MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES - H01G: CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE (selection of specified materials as dielectric H01B3/00; capacitors having potential barriers H10D1/62, H10K10/10) - H02B: BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - H02M: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF (transformers H01F; dynamo-electric converters H02K47/00; controlling transformers, reactors or choke coils, control or regulation of electric motors, generators or dynamo-electric converters H02P) - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) - H02P: CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract An electric power conversion device is provided with a case (60) including a mounting portion (61) extending along a plane defined by a first direction and a second direction that are orthogonal to each other, and a side wall (62) provided along a periphery of the mounting portion, a primary side connection portion (23) and a secondary side connection portion (27) provided on the case, a plurality of reactors arranged along the second direction in the case and connected in parallel to one another, and a switching unit including a plurality of switching devices positioned in the case on one side of the reactors in the first direction, arranged along the first direction, and respectively connected to the reactors. ## Claims ### Claim 1 An electric power conversion device, comprising a case including a mounting portion extending along a plane defined by a first direction and a second direction that are orthogonal to each other, and a side wall provided along a periphery of the mounting portion; a primary side connection portion and a secondary side connection portion provided on the case; a plurality of reactors arranged along the second direction in the case and connected in parallel to one another; and a switching unit including a plurality of switching devices positioned in the case on one side of the reactors in the first direction, arranged along the first direction, and respectively connected to the reactors. ### Claim 2 (depends on 1) The electric power conversion device according to claim 1, wherein the primary side connection portion is provided on a part of the side wall located on one side of the reactors in the second direction. ### Claim 3 (depends on 1) The electric power conversion device according to claim 1, wherein the secondary side connection portion is provided on at least one of a part of the side wall located on one side of the switching unit in the second direction and a part of the side wall located on one side of the switching unit in the first direction. ### Claim 4 (depends on 3) The electric power conversion device according to claim 3, wherein the primary side connection portion and the secondary side connection portion are provided on the side wall, and a primary side positive terminal of the primary side connection portion, a primary side negative terminal of the primary side connection portion, a secondary side negative terminal of the secondary side connection portion, and a secondary side positive terminal of the secondary side connection portion are arranged along a circumferential direction of the side wall in that order. ### Claim 5 (depends on 4) The electric power conversion device according to claim 4, wherein the switching unit includes a plurality of primary side terminals provided on another side in the second direction corresponding to the respective reactors, and at least one secondary side terminal provided on the one side in the second direction, and the secondary side terminal of the switching unit is connected to the secondary side positive terminal of the secondary side connection portion. ### Claim 6 (depends on 4) The electric power conversion device according to claim 4, wherein the reactors are provided with primary side terminals located on another side in the first direction, the primary side terminals being connected to the primary side positive terminal of the primary side connection portion via a positive bus bar. ### Claim 7 (depends on 4) The electric power conversion device according to claim 4, wherein the primary side negative terminal of the primary side connection portion is connected to a negative terminal of the switching unit provided on one side of the switching unit in the second direction via a negative bus bar.