Patents by Inventor Abram M. Ingold
Abram M. Ingold has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11668271Abstract: Fuel injector systems, methods, and assemblies can comprise an injector pushrod; a hold down clamp having an opening that can slidably receive the injector pushrod; a helper spring that can surround a first portion of the injector pushrod; a spacer that can surround a second portion of the injector pushrod and that can be positioned between the hold down clamp and a first end of the helper spring; and a retention seat that can retain a second end of the helper spring opposite the first end of the helper spring and that can surround a third portion of the injector pushrod.Type: GrantFiled: April 19, 2022Date of Patent: June 6, 2023Assignee: Caterpillar Inc.Inventors: Abram M. Ingold, Vasudev Koppram, Xuefeng Song
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Patent number: 11480075Abstract: A valve seat insert includes a top convex arcuate blend for improving fluid flow, and a valve seating surface for slowing down valve recession. The valve seating surface includes a radially outer convex arcuate segment defining an outer radius of curvature forming a first wear crown for contacting the valve at an early wear state, a radially inner convex arcuate segment defining an inner radius of curvature forming a second wear crown for contacting the valve at a later wear state, and a linear segment extending between the radially outer convex arcuate segment and the radially inner convex arcuate segment.Type: GrantFiled: June 10, 2021Date of Patent: October 25, 2022Assignee: Caterpillar Inc.Inventors: Ashwin A. Hattiangadi, Abram M. Ingold, Sanjay Kumar, Adam D. Patrick
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Patent number: 11473457Abstract: A valve seat insert includes a top convex arcuate blend for improving fluid flow, and a valve seating surface for slowing down valve recession. The valve seating surface includes a radially outer convex arcuate segment defining an outer radius of curvature forming a first wear crown for contacting the valve at an early wear state, a radially inner convex arcuate segment defining an inner radius of curvature forming a second wear crown for contacting the valve at a later wear state, and a linear segment extending between the radially outer convex arcuate segment and the radially inner convex arcuate segment.Type: GrantFiled: June 10, 2021Date of Patent: October 18, 2022Assignee: Caterpillar Inc.Inventors: Ashwin A. Hattiangadi, Abram M. Ingold, Sanjay Kumar, Adam D. Patrick
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Publication number: 20210301689Abstract: A valve seat insert includes a top convex arcuate blend for improving fluid flow, and a valve seating surface for slowing down valve recession. The valve seating surface includes a radially outer convex arcuate segment defining an outer radius of curvature forming a first wear crown for contacting the valve at an early wear state, a radially inner convex arcuate segment defining an inner radius of curvature forming a second wear crown for contacting the valve at a later wear state, and a linear segment extending between the radially outer convex arcuate segment and the radially inner convex arcuate segment.Type: ApplicationFiled: June 10, 2021Publication date: September 30, 2021Applicant: Caterpillar Inc.Inventors: Ashwin A. Hattiangadi, Abram M. Ingold, Sanjay Kumar, Adam D. Patrick
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Publication number: 20210301688Abstract: A valve seat insert includes a top convex arcuate blend for improving fluid flow, and a valve seating surface for slowing down valve recession. The valve seating surface includes a radially outer convex arcuate segment defining an outer radius of curvature forming a first wear crown for contacting the valve at an early wear state, a radially inner convex arcuate segment defining an inner radius of curvature forming a second wear crown for contacting the valve at a later wear state, and a linear segment extending between the radially outer convex arcuate segment and the radially inner convex arcuate segment.Type: ApplicationFiled: June 10, 2021Publication date: September 30, 2021Applicant: Caterpillar Inc.Inventors: Ashwin A. Hattiangadi, Abram M. Ingold, Sanjay Kumar, Adam D. Patrick
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Publication number: 20210293159Abstract: A valve seat insert includes a top convex arcuate blend for improving fluid flow, and a valve seating surface for slowing down valve recession. The valve seating surface includes a radially outer convex arcuate segment defining an outer radius of curvature forming a first wear crown for contacting the valve at an early wear state, a radially inner convex arcuate segment defining an inner radius of curvature forming a second wear crown for contacting the valve at a later wear state, and a linear segment extending between the radially outer convex arcuate segment and the radially inner convex arcuate segment.Type: ApplicationFiled: March 17, 2020Publication date: September 23, 2021Applicant: Caterpillar Inc.Inventors: Ashwin A. Hattiangadi, Abram M. Ingold, Sanjay Kumar, Adam D. Patrick
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Publication number: 20210293160Abstract: A valve seat insert includes a top convex arcuate blend for improving fluid flow, and a valve seating surface for slowing down valve recession. The valve seating surface includes a radially outer convex arcuate segment defining an outer radius of curvature forming a first wear crown for contacting the valve at an early wear state, a radially inner convex arcuate segment defining an inner radius of curvature forming a second wear crown for contacting the valve at a later wear state, and a linear segment extending between the radially outer convex arcuate segment and the radially inner convex arcuate segment.Type: ApplicationFiled: March 17, 2020Publication date: September 23, 2021Applicant: Caterpillar Inc.Inventors: Ashwin A. Hattiangadi, Abram M. Ingold, Sanjay Kumar, Adam D. Patrick
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Patent number: 11125123Abstract: A valve seat insert includes a top convex arcuate blend for improving fluid flow, and a valve seating surface for slowing down valve recession. The valve seating surface includes a radially outer convex arcuate segment defining an outer radius of curvature forming a first wear crown for contacting the valve at an early wear state, a radially inner convex arcuate segment defining an inner radius of curvature forming a second wear crown for contacting the valve at a later wear state, and a linear segment extending between the radially outer convex arcuate segment and the radially inner convex arcuate segment.Type: GrantFiled: March 17, 2020Date of Patent: September 21, 2021Assignee: Caterpillar Inc.Inventors: Ashwin A. Hattiangadi, Abram M. Ingold, Sanjay Kumar, Adam D. Patrick
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Patent number: 11125122Abstract: A valve seat insert includes a top convex arcuate blend for improving fluid flow, and a valve seating surface for slowing down valve recession. The valve seating surface includes a radially outer convex arcuate segment defining an outer radius of curvature forming a first wear crown for contacting the valve at an early wear state, a radially inner convex arcuate segment defining an inner radius of curvature forming a second wear crown for contacting the valve at a later wear state, and a linear segment extending between the radially outer convex arcuate segment and the radially inner convex arcuate segment.Type: GrantFiled: March 17, 2020Date of Patent: September 21, 2021Assignee: Caterpillar Inc.Inventors: Ashwin A. Hattiangadi, Abram M. Ingold, Sanjay Kumar, Adam D. Patrick
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Patent number: 10934902Abstract: A valve seat insert of an engine has a valve seating surface including an outer curved segment forming a first wear crown for contacting the valve at an early wear state, an inner curved segment forming a second wear crown for contacting the valve at a later wear state, and a linear segment extending between the outer and the inner curved segments. A sloping segment is oriented at an acute angle relative to the valve seat center axis, forming a venturi or a diffuser for gases entering or exiting the cylinder.Type: GrantFiled: November 6, 2019Date of Patent: March 2, 2021Assignee: Caterpillar Inc.Inventors: Ashwin A. Hattiangadi, Abram M. Ingold, Rong Qu
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Publication number: 20140102675Abstract: A cooling system is provided for use in a machine. The cooling system includes a fan having a hub and a plurality of evenly spaced blades connected with the hub, and a shroud partially surrounding the fan. The shroud includes a flat surface having an opening of a predetermined diameter is centrally disposed on the flat surface. Further, the shroud includes a circular sidewall having of a predetermined width extending in a substantially perpendicular direction from the flat surface and encompasses the opening.Type: ApplicationFiled: October 15, 2012Publication date: April 17, 2014Applicant: Caterpillar Inc.Inventor: Abram M. Ingold