Fuel and propellant composition for combustion tools

Patent metadata

Field	Value
Publication number	US-10385285-B2
Application number	US-201514631314-A
Country	US
Kind code	B2
Filing date	Feb 25, 2015
Priority date	Feb 25, 2015
Publication date	Aug 20, 2019
Grant date	Aug 20, 2019

Abstract

A combustion tool fuel cell is provided having enhanced low temperature operation, including a fuel composition comprising at least one hydrocarbon component with a total vapor pressure equal or above 95 psig at 21° C.

First claim

What is claimed:

1. A combustion tool fuel cell having enhanced low temperature operation, said combustion tool fuel cell comprising:
a fuel composition having a total vapor pressure equal or above 95 psig at 21° C. and comprising more than 60 weight percent of propylene and at least one of 1-butene, n-butane, and isobutane, wherein the at least one of 1-butene, n-butane, and isobutane is present in an amount of less than 40 weight percent; and
a combustion tool fuel cell propellant, wherein said combustion tool fuel cell propellant comprises at least 10% ethane or acetylene and a compressed gas at or over 15 psig, said combustion tool fuel cell propellant having a total vapor pressure equal to or above 140 psig at 21° C.; and
wherein the combustion tool fuel cell is a two-compartment fuel cell having the fuel composition enclosed in a first compartment and the combustion tool fuel cell propellant enclosed in a second compartment separate from the fuel composition and wherein the first compartment is disposed within the second compartment;
wherein the combustion tool fuel cell is configured for connection to a fuel delivery system of a combustion tool to provide enhanced low temperature operation.

2. The combustion tool fuel cell of claim 1 , wherein the compressed gas is at least one of nitrogen, carbon dioxide and air.

3. The combustion tool fuel cell of claim 1 , wherein the fuel composition comprises more than 65 weight percent of propylene and less than 35 weight percent of one of 1-butene, n-butane, and isobutane.

4. The combustion tool fuel cell of claim 1 , wherein the fuel composition comprises more than 70 weight percent of propylene and less than 30 weight percent of one of 1-butene, n-butane, and isobutane.

5. The combustion tool fuel cell of claim 1 , wherein the fuel composition comprises 71 weight percent of propylene and 29 weight percent of one of 1-butene, n-butane, and isobutane.

6. The combustion tool fuel cell of claim 5 , wherein the fuel composition comprises 71 weight percent of propylene and 29 weight percent of 1-butene.

7. The combustion tool cell of claim 6 , wherein the fuel composition has a total vapor pressure equal or above 110 psig at 21° C.

8. The combustion tool fuel cell of claim 1 , wherein said combustion tool fuel cell propellant comprises at least 10% ethane.

9. The combustion tool fuel cell of claim 1 , wherein said combustion tool fuel cell propellant comprises at least 10% acetylene.

Assignees

• Illinois Tool Works

Inventors

• Vanstaan Valery H

Classifications

• C09K3/30

  for aerosols (aerosol containers B65D83/14) · CPC title

• C10L2270/08

  for small applications, such as tools, lamp oil, welding · CPC title

• C10L3/02

  Compositions containing acetylene · CPC title

• B25C1/08

  operated by combustion pressure · CPC title

• C10L3/00 Primary

  Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas · CPC title