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1. (US20170107918) Method and system for determining knock control fluid composition

المكتب : الولايات المتحدة الأمريكية
رقم الطلب: 14918483 تاريخ الطلب: 20.10.2015
رقم النشر: 20170107918 تاريخ النشر: 20.04.2017
رقم التسليم: 10330028 تاريخ التسليم: 25.06.2019
نوع النشر: B2
التصنيف الدولي للبراءات:
F02D 19/12
F02D 41/14
F02D 41/00
F02P 5/152
F02M 25/022
F02M 25/03
B60S 1/52
B60S 1/50
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التصنيف التعاوني للبراءات:
F02D 41/0025
F02D 19/12
F02D 41/144
F02M 25/0228
F02M 25/03
F02P 5/152
B60S 1/50
F02D 41/1456
F02P 5/1527
Y02T 10/46
المتقدمون: Ford Global Technologies, LLC
المخترعون: Mohannad Hakeem
Gopichandra Surnilla
الوكلاء: Julia Voutyras
McCoy Russell LLP
بيانات الأولوية:
العنوان: (EN) Method and system for determining knock control fluid composition
الملخص: front page image
(EN)

Methods and systems are provided for accurately determining the composition of a knock control fluid using sensors already present in the engine system. An intake or an exhaust oxygen sensor is used to estimate the water and the alcohol content of a knock control fluid that is direct injected into an engine cylinder responsive to an indication of abnormal combustion. A change in the pumping current of the oxygen sensor due to the water content of the knock control fluid is distinguished from a change in the pumping current of the oxygen sensor due to the alcohol content of the knock control fluid.