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Inventor profile of:

SERGIO QUELHAS

City:

ANN ARBOR, Michigan

Country:

United States

Published Applications:

21

Last publication date:

2025-12-25

Top Assignees for applications by SERGIO QUELHAS

The entities that hold a legal rights for patent applications filed by inventor QUELHAS SERGIO:

GM GLOBAL TECHNOLOGY OPERATIONS LLC 14 Detroit, MI United States
DELPHI TECHNOLOGIES, INC. 3 TROY, MI United States

Recent patent applications by QUELHAS SERGIO

SERGIO QUELHAS from ANN ARBOR, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2025-12-25

US20250388205A1

Performing operations; transporting

COLD START CONTROL SYSTEMS AND METHODS

#2 | 2025-08-19

US18750897

Mechanical engineering

Vehicle with gasoline particulate filter soot regeneration strategy with criteria emission reduction for low NOX emissions

#3 | 2022-08-25

US20220268197A1

Mechanical engineering

Heating oil for enhanced active thermal coolant system

#4 | 2022-08-04

US20220243642A1

Mechanical engineering

Vehicle thermal management system including mechanically driven pump, rotary valve(s), bypass line allowing engine outlet coolant to bypass heat exchanger(s), or combinations thereof

#5 | 2021-07-08

US20210206229A1

Performing operations; transporting

SYSTEM AND METHOD FOR CONTROLLING FLUID TEMPERATURE IN A THERMAL SYSTEM

#6 | 2021-04-01

US20210095630A1

Mechanical engineering

Method and apparatus for control of propulsion system warmup based on engine wall temperature

#7 | 2021-02-11

US20210040877A1

Mechanical engineering

Dual pump system and method for cooling an engine of a motor vehicle

#8 | 2018-05-17

US20180135508A1

Mechanical engineering

Air-to-air charge air cooler (A-CAC) for a vehicle

#9 | 2018-02-15

US20180045297A1

Mechanical engineering

System and method for adjusting coolant flow through a cooling system of a vehicle to increase a warming rate of a transmission

#10 | 2017-12-21

US20170362995A1

Mechanical engineering

VEHICLE AIR INTAKE SYSTEM

#11 | 2017-12-14

US20170356327A1

Mechanical engineering

Electric pump operating strategy

#12 | 2017-07-20

US20170204774A1

Mechanical engineering

Systems and methods for increasing temperature of an internal combustion engine during a cold start including low coolant flow rates during a startup period

#13 | 2017-06-08

US20170159546A1

Mechanical engineering

System and method for adjusting the rate of coolant flow through an engine based on coolant pressure

#14 | 2016-12-22

US20160369714A1

Mechanical engineering

Method for diagnosing leaks downstream of the purge flow control orifice

#15 | 2016-12-01

US20160348554A1

Mechanical engineering

System and method for reducing cold start emissions using an active exhaust throttle valve and an exhaust gas recirculation loop

#16 | 2013-10-17

US20130269415A1

Crank signal error detection using a cam signal interval

#17 | 2012-07-05

US20120167993A1

Mechanical engineering

Fuel pressure control system and method having a variable pull-in time interval based pressure

#18 | 2009-02-26

US20090049897A1

METHOD FOR ON-LINE ADAPTATION OF ENGINE VOLUMETRIC EFFICIENCY USING A MASS AIR FLOW SENSOR

#19 | 2008-06-12

US20080136404A1

Mechanical engineering

Cam phasing system with mid-range engine shutdown

#20 | 2007-11-01

US20070251474A1

Mechanical engineering

Cam phasing system with mid-range engine shutdown

#21 | 2005-04-21

US20050084973A1

Mechanical engineering

Diagnostic system for monitoring catalyst performance

InventorID:

481115 ⎘