Patents

US 11746734 B2: Electronic unit injector shuttle valve

Granted
2023-09-05
Filed
2018-08-23 application 16110667
Type
Utility · 15 claims
Elsewhere
Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗

Abstract

A shuttle valve for a control valve coupled to an electronic fuel injector is disclosed. The shuttle valve may include a shuttle valve first end including an armature attachment portion operably coupled to an armature of the control valve and a shuttle valve second end opposite the shuttle valve first end defining a sealing portion of the control valve including an annular sealing surface. A valve guide portion may extend axially along a portion of the shuttle valve between the first and second ends. Furthermore, an engagement surface portion may be defined along the valve guide portion that is slidably engaged with a valve bore. Moreover, the shuttle valve may include a non-engagement surface portion defined along the valve guide portion, wherein the non-engagement surface is a non-continuous surface around a circumference of the valve guide portion and wherein the non-engagement surface is interspersed between portions of the engagement surface.

Source: PVGPATDIS, file of 2026-04-10 (ipg230905.xml).

Assignees

AssigneeTypePlaceAlso on furp.orgSource
Progress Rail Services Corporation 113 patentsUS company or organizationAlbertville, ALPVGPATDIS, file of 2026-04-10

Inventors

InventorPlacePatentsPerson pageSource
Rolando LopezPresbyterian Villas Of Lehigh, FL5PVGPATDIS, file of 2026-04-10

CPC categories

SubclassCategoryFirst groupSource
F02MSupplying combustion engines in general with combustible mixtures or constituents thereofF02M57/023PVGPATDIS, file of 2026-04-10
F16KValves; taps; cocks; actuating-floats; devices for venting or aeratingF16K3/24PVGPATDIS, file of 2026-04-10

Cooperative Patent Classification, as currently assigned (one row per subclass).

Assignments and security interests

RecordedWhatFromToReel/frameSource
2018-08-23Assignment
Assignment of assignor's interest
LOPEZ, ROLANDO signed 2018-08-17PROGRESS RAIL SERVICES CORPORATION ALBERTVILLE, AL46685/833ECORSEXC, file of 2026-09-25

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.