US2016288029A1PendingUtilityA1

Fuel Filter

Assignee: CENTRAL ILLINOIS MFG COMPANYPriority: Nov 6, 2014Filed: Jun 7, 2016Published: Oct 6, 2016
Est. expiryNov 6, 2034(~8.3 yrs left)· nominal 20-yr term from priority
F02M 37/221B01D 29/60B01D 39/2024B01D 39/18B01D 2201/12B01D 29/21B01D 39/04B01D 2239/0654B01D 35/005F02M 37/34B67D 7/766B01D 35/143B01D 36/003B01D 2239/065B01D 29/216B01D 27/06B01D 27/148B01D 29/58
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Claims

Abstract

A fuel filter comprises a filter housing having a fuel inlet and a fuel outlet, and a laminate positioned within said filter housing, the laminate comprising a first layer and a second layer having methyl hydroxyethyl cellulose between said first layer and said second layer, wherein the fuel filter is configured to direct fuel received at the fuel inlet to the fuel outlet through the laminate.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A fuel filter comprising:
 a filter housing having a fuel inlet and a fuel outlet, wherein the fuel outlet is a threaded hole and the fuel inlet is defined by a plurality of holes arranged around said threaded hole;   a particulate filter; and   a water sensing laminate having a first layer and a second layer, the water sensing laminate having methyl hydroxyethyl cellulose dispersed between said first layer and said second layer at a ratio of about 40 to 70 grams per square foot of laminate, wherein the fuel filter is configured to direct fuel received at the fuel inlet to the fuel outlet through the particulate filter and the laminate.   
     
     
         2 . The fuel filter of  claim 1 , wherein the first layer is a fiberglass material and the second layer is a cellulose backing layer. 
     
     
         3 . The fuel filter of  claim 1 , wherein each of the first layer and the second layer is a fiberglass material. 
     
     
         4 . The fuel filter of  claim 1 , further comprising a center tube and a screen, wherein the water sensing laminate wraps around at least a portion of the center tube and is secured in place by the screen. 
     
     
         5 . A fuel filter comprising:
 a particulate filter; and   a fiberglass laminate having a first fiberglass layer and a second fiberglass layer, the fiberglass laminate having methyl hydroxyethyl cellulose dispersed between said first fiberglass layer and said second fiberglass layer.   
     
     
         6 . The fuel filter of  claim 5 , wherein the particulate filter includes a filtering material laminated to a cellulose backing layer. 
     
     
         7 . The fuel filter of  claim 5 , wherein the methyl hydroxyethyl cellulose is dispersed between said first fiberglass layer and said second fiberglass layer at a ratio of about 40 to 70 grams per square foot of fiberglass laminate. 
     
     
         8 . The fuel filter of  claim 7 , wherein the methyl hydroxyethyl cellulose is dispersed between said first fiberglass layer and said second fiberglass layer at a ratio of about 55 grams per square foot of fiberglass laminate. 
     
     
         9 . The fuel filter of  claim 6 , wherein the cellulose backing layer is formed in a pleated configuration. 
     
     
         10 . The fuel filter of  claim 5 , wherein the fiberglass laminate is laminated to a cellulose backing layer. 
     
     
         11 . The fuel filter of  claim 5 , wherein the particulate filter and the fiberglass laminate are each cylindrical and concentric with regard to one another. 
     
     
         12 . The fuel filter of  claim 5 , further comprising a filter housing having a fuel inlet and a fuel outlet, wherein the fuel outlet is a threaded hole and the fuel inlet is defined by a plurality of holes arranged around said threaded hole. 
     
     
         13 . The fuel filter of  claim 12 , wherein the fuel filter is configured to direct fuel received at the fuel inlet to the fuel outlet through the particulate filter and the fiberglass laminate. 
     
     
         14 . A fuel filter comprising:
 a filter housing having a fuel inlet and a fuel outlet; and   a laminate positioned within said filter housing, the laminate comprising a first layer and a second layer having methyl hydroxyethyl cellulose between said first layer and said second layer, wherein the fuel filter is configured to direct fuel received at the fuel inlet to the fuel outlet through the laminate.   
     
     
         15 . The fuel filter of  claim 14 , further comprising a filter housing having a fuel inlet and a fuel outlet, wherein the fuel outlet is a threaded hole and the fuel inlet is defined by a plurality of holes arranged around said threaded hole. 
     
     
         16 . The fuel filter of  claim 14 , wherein the methyl hydroxyethyl cellulose is dispersed at a ratio of about 40 to 70 grams per square foot of laminate. 
     
     
         17 . The fuel filter of  claim 16 , wherein the methyl hydroxyethyl cellulose is dispersed at a ratio of about 55 grams per square foot of laminate. 
     
     
         18 . The fuel filter of  claim 14 , wherein the first layer is a fiberglass material and the second layer is a cellulose backing layer. 
     
     
         19 . The fuel filter of  claim 14 , wherein each of the first layer and the second layer is a fiberglass material. 
     
     
         20 . The fuel filter of  claim 19 , wherein the laminate is laminated to a cellulose backing layer.

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