Patents
US 12429019 B2: Fuel and air charge forming device
- Granted
- 2025-09-30
- Filed
- 2023-09-27 application 18373380
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A charge forming device for a combustion engine includes a throttle body having a throttle bore, an air passage having at least a portion in which air flows separate from the throttle bore and a throttle valve with a valve head movable relative to the throttle body. A nozzle body has a fuel passage and a feed passage, the fuel passage is arranged to receive fuel that exits a fuel outlet of a fuel metering valve, and the fuel passage is communicated with a fuel chamber through which fluid flows into the throttle bore, and the feed passage is communicated with the air passage to receive air from the air passage and the feed passage is communicated with the fuel passage upstream of the fuel chamber, wherein air in the feed passage is mixed with fuel in the fuel passage upstream of the fuel chamber.
Source: PVGPATDIS, file of 2026-04-10 (ipg250930.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| WALBRO LLC 109 patents | US company or organization | Cass City, MI | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Kazuki Doi | Murata, JP | 2 | PVGPATDIS, file of 2026-04-10 | |
| Naoya Kumagai | Iwanuma, JP | 15 | PVGPATDIS, file of 2026-04-10 | |
| Dairoku Suzuki | Yamamoto, JP | 6 | PVGPATDIS, file of 2026-04-10 | |
| Jun Takano | Murata, JP | 35 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| F02M | Supplying combustion engines in general with combustible mixtures or constituents thereof | F02M61/14 | PVGPATDIS, file of 2026-04-10 |
| F02D | Controlling combustion engines | F02D9/1035 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2026-03-25 | Release of security interest Statement regarding release of liens in patents, including lien in favor of glas usa llc recorded at r/f 071674/0688 | FIRST BRANDS GROUP HOLDINGS, LLC signed 2026-03-16 | WALBRO LLC (FORMERLY KNOWN AS WALBRO ENGINE MANAGEMENT, L.L.C.) CLEVELAND, OH | 75247/779 | PASDL, file of 2026-10-15 |
| 2026-03-25 | Security interest Security interest Security interest | OVERDRIVE ACQUISITION, LLC signed 2026-03-16 | POLARIS INDUSTRIES INC. MEDINA, MN | 75242/950 | PASDL, file of 2026-10-15 |
| 2026-03-16 | Assignment Assignment of assignor's interest | WALBRO LLC (F/K/A WALBRO CORPORATION AND WALBRO ENGINE MANAGEMENT, L.L.C.) signed 2026-03-16 WALBRO CO., LTD. (ALSO KNOWN AS WALBRO KK) signed 2026-03-16 WALBRO INTERNATIONAL HOLDING B.V. signed 2026-03-16 | OVERDRIVE ACQUISITION, LLC TORONTO | 75110/1 | PASDL, file of 2026-10-15 |
| 2025-06-18 | Security interest Security interest First lien intellectual property security agreement | AIRTEX INDUSTRIES, LLC signed 2025-06-16 AIRTEX PRODUCTS, LP signed 2025-06-16 APC INTERMEDIATE HOLDINGS, LLC signed 2025-06-16 APC PARENT, LLC signed 2025-06-16 ASC INDUSTRIES, INC. signed 2025-06-16 AUTOLITE OPERATIONS LLC signed 2025-06-16 AVM EXPORT, INC. signed 2025-06-16 BPI ACQUISITION COMPANY, LLC signed 2025-06-16 BPI EC, LLC signed 2025-06-16 BPI HOLDINGS INTERNATIONAL, LLC signed 2025-06-16 BRAKE PARTS INC CHINA LLC signed 2025-06-16 BRAKE PARTS INC INDIA LLC signed 2025-06-16 BRAKE PARTS INC LLC signed 2025-06-16 CARDONE INDUSTRIES, INC. signed 2025-06-16 CARRAND COMPANIES, INC. signed 2025-06-16 CARTER CARBURETOR HOLDINGS, LLC signed 2025-06-16 CARTER CARBURETOR, LLC signed 2025-06-16 CARTER FUEL EXPORT, INC. signed 2025-06-16 CARTER FUEL SYSTEMS, LLC signed 2025-06-16 CHAMPION LABORATORIES, INC. signed 2025-06-16 CWD HOLDING, LLC signed 2025-06-16 CWD INTERMEDIATE HOLDINGS I, LLC signed 2025-06-16 CWD INTERMEDIATE HOLDINGS II, LLC signed 2025-06-16 CWD, LLC signed 2025-06-16 DALTON CORPORATION signed 2025-06-16 DALTON CORPORATION, KENDALLVILLE signed 2025-06-16 MANUFACTURING FACILITY DALTON CORPORATION, ASHLAND signed 2025-06-16 MANUFACTURING FACILITY DALTON CORPORATION, STRYKER MACHINING FACILITY CO. signed 2025-06-16 DALTON CORPORATION, WARSAW MANUFACTURING FACILITY signed 2025-06-16 EAGLE CASTING, LLC signed 2025-06-16 EAGLE MACHINING, LLC signed 2025-06-16 FIRST BRANDS GROUP INTERMEDIATE, LLC signed 2025-06-16 FIRST BRANDS GROUP, LLC signed 2025-06-16 FRAM GROUP IP LLC signed 2025-06-16 FRAM GROUP OPERATIONS LLC signed 2025-06-16 FRAMAUTO HOLDINGS, LLC signed 2025-06-16 FUEL FILTER TECHNOLOGIES, INC. signed 2025-06-16 GLOBAL REMAN VENTURES, LLC signed 2025-06-16 HEATHERTON HOLDINGS, LLC signed 2025-06-16 HOPKINS ACQUISITION, INC. signed 2025-06-16 HOPKINS MANUFACTURING CORPORATION signed 2025-06-16 HORIZON EURO FINANCE LLC signed 2025-06-16 HORIZON GLOBAL AMERICAS INC. signed 2025-06-16 HORIZON GLOBAL COMPANY LLC signed 2025-06-16 HORIZON GLOBAL CORPORATION signed 2025-06-16 HORIZON INTERNATIONAL HOLDINGS LLC signed 2025-06-16 IBI INTERNATIONAL HOLDING COMPANY, INC. signed 2025-06-16 INTERNATIONAL BRAKE INDUSTRIES, INC. signed 2025-06-16 JASPER ACQUISITION CORP. signed 2025-06-16 JASPER RUBBER PRODUCTS, INC. signed 2025-06-16 KTRI HOLDINGS, INC. signed 2025-06-16 KTRI OFFSHORE HOLDINGS, LLC signed 2025-06-16 LONGMAN ENTERPRISES, INC. signed 2025-06-16 PHNX ACQUISITION CORP. signed 2025-06-16 PREMIER MARKETING GROUP, LLC signed 2025-06-16 PYLON MANUFACTURING CORP. signed 2025-06-16 PYLON SOUTH BEND, INC. signed 2025-06-16 QUALIS AUTOMOTIVE, L.L.C. signed 2025-06-16 QUALIS ENTERPRISES, LLC signed 2025-06-16 QUALITOR ACQUISITION INC. signed 2025-06-16 QUALITOR AUTOMOTIVE, LLC signed 2025-06-16 QUALITOR SUBSIDIARY H, INC. signed 2025-06-16 QUALITOR SUBSIDIARY S, INC. signed 2025-06-16 QUALITOR, INC. signed 2025-06-16 REMAN MANAGEMENT INTERNATIONAL LLC signed 2025-06-16 SDC TX, LLC signed 2025-06-16 SMART CHOICE, LLC signed 2025-06-16 SPECIALTY PUMPS GROUP, INC. signed 2025-06-16 STRONGARM, LLC signed 2025-06-16 TAE BRAKES, LLC signed 2025-06-16 TAE CHINA HOLDINGS, INC. signed 2025-06-16 TMD INTERNATIONAL HOLDINGS LLC signed 2025-06-16 TMD MEXICO LLC signed 2025-06-16 TOLEDO MOLDING & DIE, LLC signed 2025-06-16 TRANSPORTATION AFTERMARKET ENTERPRISE, LLC signed 2025-06-16 TRICO HOLDING CORPORATION signed 2025-06-16 TRICO PRODUCTS CORPORATION signed 2025-06-16 TRICO TECHNOLOGIES CORPORATION signed 2025-06-16 TRIDONEX USA LLC signed 2025-06-16 UCI ACQUISITION HOLDINGS (NO. 4) LLC signed 2025-06-16 UCI INTERNATIONAL HOLDINGS PARENT, INC. signed 2025-06-16 UCI INTERNATIONAL HOLDINGS, INC. signed 2025-06-16 UCI INTERNATIONAL, LLC signed 2025-06-16 UCI PENNSYLVANIA, INC. signed 2025-06-16 UCI-AIRTEX HOLDINGS, INC. signed 2025-06-16 UNITED COMPONENTS, LLC signed 2025-06-16 UNIVERSAL AUTO FILTER LLC signed 2025-06-16 VIPER ACQUISITION I, INC. signed 2025-06-16 VIPER ACQUISITION, INC. signed 2025-06-16 WALBRO LLC signed 2025-06-16 WALBRO MIDCO LLC signed 2025-06-16 WEM US CO. signed 2025-06-16 | GLAS USA LLC JERSEY CITY, NJ | 71674/688 | PASDL, file of 2026-10-15 |
| 2023-09-27 | Assignment Assignment of assignor's interest | DOI, KAZUKI signed 2007-04-02 KUMAGAI, NAOYA signed 2022-07-20 SUZUKI, DAIROKU signed 2022-07-20 TAKANO, JUN signed 2022-07-20 | WALBRO LLC CASS CITY, MI | 65042/165 | PASDL, file of 2026-10-15 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.