CA2531835A1 - Variable volume valve for a combustion powered tool - Google Patents

Variable volume valve for a combustion powered tool Download PDF

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Publication number
CA2531835A1
CA2531835A1 CA002531835A CA2531835A CA2531835A1 CA 2531835 A1 CA2531835 A1 CA 2531835A1 CA 002531835 A CA002531835 A CA 002531835A CA 2531835 A CA2531835 A CA 2531835A CA 2531835 A1 CA2531835 A1 CA 2531835A1
Authority
CA
Canada
Prior art keywords
valve
metering chamber
closed
variable volume
powered tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002531835A
Other languages
French (fr)
Other versions
CA2531835C (en
Inventor
Yury Shkolnikov
Tony Deieso
Walter J. Taylor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Illinois Tool Works Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US09/849,706 external-priority patent/US6655570B2/en
Priority claimed from US09/973,103 external-priority patent/US7051686B2/en
Application filed by Individual filed Critical Individual
Priority claimed from CA002383904A external-priority patent/CA2383904C/en
Publication of CA2531835A1 publication Critical patent/CA2531835A1/en
Application granted granted Critical
Publication of CA2531835C publication Critical patent/CA2531835C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Portable Nailing Machines And Staplers (AREA)

Abstract

A variable volume metering chamber and valve assembly for a combustion powered tool includes a housing defining a metering chamber having an internal volume and including an inlet and an outlet, and a plunger configured for reciprocal movement relative to the chamber for adjusting the internal volume of the metering chamber. The plunger is preferably adjustable by the user to alter the volume of fuel retained in the metering chamber. In the housing, a first valve controls control fluid flow through the inlet, a second valve controls fluid flow through the outlet, and an actuator assembly, connected to the valves, is sequentially operable from a first position, in which the first valve is open and the second valve is closed, to a second position, in which the first and second valves are both closed, and a third position, in which the first valve is closed and the second valve is open.
CA002531835A 2001-05-04 2002-04-29 Variable volume valve for a combustion powered tool Expired - Fee Related CA2531835C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US09/849,706 US6655570B2 (en) 2001-05-04 2001-05-04 Constant volume valve for a combustion powered tool
US09/849,706 2001-05-04
US09/973,103 US7051686B2 (en) 2001-02-28 2001-10-09 Variable volume valve for a combustion powered tool
US09/973,103 2001-10-09
CA002383904A CA2383904C (en) 2001-05-04 2002-04-29 Variable volume valve for a combustion powered tool

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002383904A Division CA2383904C (en) 2001-05-04 2002-04-29 Variable volume valve for a combustion powered tool

Publications (2)

Publication Number Publication Date
CA2531835A1 true CA2531835A1 (en) 2002-11-04
CA2531835C CA2531835C (en) 2009-02-03

Family

ID=35874900

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002531835A Expired - Fee Related CA2531835C (en) 2001-05-04 2002-04-29 Variable volume valve for a combustion powered tool

Country Status (1)

Country Link
CA (1) CA2531835C (en)

Also Published As

Publication number Publication date
CA2531835C (en) 2009-02-03

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20150429