公开(公告)号：US20220243690A1

公开(公告)日：2022-08-04

申请号：US17650039

申请日：2022-02-04

Applicant: Caterpillar Inc.

Inventor： Jeffery FISCHER ,  Neil Edward JOHNSTON ,  Brenton William BUSH ,  Ye TIAN ,  Quinton BURCAR

IPC: F02M37/16 ,  F02M37/00 ,  F02M37/44

Abstract: A priming pump may include a housing; an inlet passageway inside of the housing; an outlet passageway inside of the housing; a divider, inside of the housing, separating the inlet passageway and the outlet passageway; a connecting passageway through the divider in fluid communication with the inlet passageway and the outlet passageway; a valve, disposed in the connecting passageway, configured for one-way fluid flow from the inlet passageway to the outlet passageway; a rotary pump, inside of the housing, having an inlet in fluid communication with the inlet passageway and an outlet in fluid communication with the outlet passageway; and a shaft connected to the rotary pump and extending through the housing, the shaft configured for rotation by an external driving mechanism.

公开(公告)号：US20210262830A1

公开(公告)日：2021-08-26

申请号：US16796628

申请日：2020-02-20

Applicant: Caterpillar Inc.

Inventor： Michael T. McKINLEY ,  Ye TIAN

IPC: G01D5/14

Abstract: A component identification system is disclosed. The component identification system may include a sensor system that includes a first Hall-effect switch configured to provide a first output signal corresponding to a state of the first Hall-effect switch, and a second Hall-effect switch configured to provide a second output signal corresponding to a state of the second Hall-effect switch. The sensor system may be configured to provide a single output signal that is based on the first output signal and the second output signal and indicates a combined state of the first Hall-effect switch and the second Hall-effect switch. The component identification system may include a component that is to be identified. The component may include a first magnet configured to affect the state of the first Hall-effect switch and a second magnet configured to affect the state of the second Hall-effect switch.

公开(公告)号：US20220275767A1

公开(公告)日：2022-09-01

申请号：US17663342

申请日：2022-05-13

Applicant: Caterpillar Inc.

Inventor： Ye TIAN ,  Sravan K. KARRI ,  Michael T. McKINLEY ,  Brenton W. BUSH

IPC: F02D41/22 ,  B01D35/00 ,  B01D37/04 ,  B01D35/143 ,  F02M37/40 ,  B60Q9/00 ,  F02D41/02

Abstract: A fuel filter monitoring method includes receiving pressure signals that are indicative of a pressure drop across at least one fuel filter of a fuel supply system configured to supply fuel to at least one fuel injector of an internal combustion engine and receiving a condition signal indicative of a condition of a fuel supply system, the condition signal being generated by one or more of a geographic location sensor, an altitude sensor, and/or a fuel temperature sensor. The method includes estimating a remaining life of at least one fuel filter of the fuel supply system based on the pressure signal and the condition signal and outputting a notification indicative of the estimated remaining life.

公开(公告)号：US20210260510A1

公开(公告)日：2021-08-26

申请号：US16796649

申请日：2020-02-20

Applicant: Caterpillar Inc.

Inventor： Michael T. McKINLEY ,  Ye TIAN ,  Stephan D. ROOZENBOOM

IPC: B01D35/143 ,  G06K7/08

Abstract: A filter identification system is disclosed. The filter identification system may include an identification component disposed in a filter mount configured to hold a set of filters that includes a first filter and a second filter. The identification component may include a sensor system that may include a first sensor configured to provide a first output signal corresponding to a state of the first sensor, and a second sensor configured to provide a second output signal corresponding to a state of the second sensor. The sensor system may be configured to provide a single output signal that is based on the first output signal and the second output signal and indicates a combined state of the first sensor and the second sensor.