SE8502054D0 - DEVICE FOR COMBUSTION ENGINES - Google Patents

DEVICE FOR COMBUSTION ENGINES

Info

Publication number
SE8502054D0
SE8502054D0 SE8502054A SE8502054A SE8502054D0 SE 8502054 D0 SE8502054 D0 SE 8502054D0 SE 8502054 A SE8502054 A SE 8502054A SE 8502054 A SE8502054 A SE 8502054A SE 8502054 D0 SE8502054 D0 SE 8502054D0
Authority
SE
Sweden
Prior art keywords
piston
duct
chamber
low pressure
air
Prior art date
Application number
SE8502054A
Other languages
Swedish (sv)
Other versions
SE442426B (en
Inventor
B Axelsson
Original Assignee
Bengt Axelsson
Sven Ake Axelsson
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
Application filed by Bengt Axelsson, Sven Ake Axelsson filed Critical Bengt Axelsson
Priority to SE8502054A priority Critical patent/SE442426B/en
Publication of SE8502054D0 publication Critical patent/SE8502054D0/en
Publication of SE442426B publication Critical patent/SE442426B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M23/00—Apparatus for adding secondary air to fuel-air mixture
    • F02M23/04—Apparatus for adding secondary air to fuel-air mixture with automatic control
    • F02M23/08—Apparatus for adding secondary air to fuel-air mixture with automatic control dependent on pressure in main combustion-air induction system, e.g. pneumatic-type apparatus
    • F02M23/09—Apparatus for adding secondary air to fuel-air mixture with automatic control dependent on pressure in main combustion-air induction system, e.g. pneumatic-type apparatus using valves directly opened by low pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Abstract

An apparatus for internal combustion engines of the type which have an air supply throttle (2). The apparatus consists of a piston (4) sliding in a chamber (3), a first duct (5) which is connected to the first space (3a) in the chamber on the one side of the piston (4) and designed so that this chamber space (3a) is passed a low pressure corresponding to the low pressure in the engine's (1) induction duct's (6) downstream throttle (2). The apparatus further consists of a second duct (7) connected to the chamber for the provision of secondary air to the engine's (1) downstream throttle (2) and a third duct (8) which is connected to a second chamber space (3b) on the other side of the piston (4) and which receives air from the outside. The piston (4) is fitted with at least one transverse channel (11), which when the piston is moved to a initial end position by the force of the spring (10) overcoming the effect of the low pressure in the first chamber space (3a), is designed to couple the third duct (8) with the second duct (7) so that a maximum throughput of air to the engine's downstream throttle occurs. The piston (4) is further designed to allow a basic flow of air through its channel (11) when the piston (4), because of the low pressure in the first chamber (3a) against the effect of the spring (10) is moved to the other end position, which itself is fixed by a stop (12) and which is adjustable by means of this stop (12).<IMAGE>
SE8502054A 1985-04-29 1985-04-29 Apparatus for internal combustion engines SE442426B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE8502054A SE442426B (en) 1985-04-29 1985-04-29 Apparatus for internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8502054A SE442426B (en) 1985-04-29 1985-04-29 Apparatus for internal combustion engines

Publications (2)

Publication Number Publication Date
SE8502054D0 true SE8502054D0 (en) 1985-04-29
SE442426B SE442426B (en) 1985-12-23

Family

ID=20359994

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8502054A SE442426B (en) 1985-04-29 1985-04-29 Apparatus for internal combustion engines

Country Status (1)

Country Link
SE (1) SE442426B (en)

Also Published As

Publication number Publication date
SE442426B (en) 1985-12-23

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