GB578940A - Improvements in and relating to valve gear for internal combustion engines - Google Patents

Improvements in and relating to valve gear for internal combustion engines

Info

Publication number
GB578940A
GB578940A GB15237/44A GB1523744A GB578940A GB 578940 A GB578940 A GB 578940A GB 15237/44 A GB15237/44 A GB 15237/44A GB 1523744 A GB1523744 A GB 1523744A GB 578940 A GB578940 A GB 578940A
Authority
GB
United Kingdom
Prior art keywords
gear
valve
worm
driven
meshing
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.)
Expired
Application number
GB15237/44A
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.)
Briggs Manufacturing Co
Original Assignee
Briggs Manufacturing Co
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 Briggs Manufacturing Co filed Critical Briggs Manufacturing Co
Publication of GB578940A publication Critical patent/GB578940A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/24—Multi-cylinder engines with cylinders arranged oppositely relative to main shaft and of "flat" type
    • F02B75/243—Multi-cylinder engines with cylinders arranged oppositely relative to main shaft and of "flat" type with only one crankshaft of the "boxer" type, e.g. all connecting rods attached to separate crankshaft bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L7/00—Rotary or oscillatory slide valve-gear or valve arrangements
    • F01L7/08—Rotary or oscillatory slide valve-gear or valve arrangements with conically or frusto-conically shaped valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

578,940. Valve gear. BRIGGS MANUFACTURING CO. Aug. 10, 1944, No. 15237. Convention date, July 29, 1943. [Class 7 (vi)] A rotary valve 20, containing a combustion chamber 21, is driven from a worm wheel 40, mounted on a crankshaft 16, through a worm 39, shaft 35 substantially parallel to the cylinder axis, gear 34, and gear 33 mounted on the outer end of the stem 20a of the rotary valve. The engine may have any number of cylinders. In the case shown there are two horizontally opposed cylinders 10, and the two valve driving shafts 35 are in axial alignment and are driven by a single worm 39 meshing with the worm wheel 40 mounted between the crank throws 15. The fuel charge is delivered to an intake pipe 26 leading to an intake passage 25 for each cylinder after passing through a butterfly throttle valve 32, a choke valve 31, a short transverse passage 30, and an intake passage 27 extending through an oil reservoir 28 contained within a housing 29 secured to the bottom of a crank case 11. An oil pump 41 is driven by a gear 41a meshing with the worm 39. Oil is returned to the sump through return pipes 42.
GB15237/44A 1943-07-29 1944-08-10 Improvements in and relating to valve gear for internal combustion engines Expired GB578940A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US578940XA 1943-07-29 1943-07-29

Publications (1)

Publication Number Publication Date
GB578940A true GB578940A (en) 1946-07-17

Family

ID=22013385

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15237/44A Expired GB578940A (en) 1943-07-29 1944-08-10 Improvements in and relating to valve gear for internal combustion engines

Country Status (1)

Country Link
GB (1) GB578940A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4066281A (en) * 1976-07-16 1978-01-03 Bonis John C De Porsche automobile oil drain replacement tube
GB2467947A (en) * 2009-02-20 2010-08-25 Rcv Engines Ltd Rotary valve internal combustion engine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4066281A (en) * 1976-07-16 1978-01-03 Bonis John C De Porsche automobile oil drain replacement tube
GB2467947A (en) * 2009-02-20 2010-08-25 Rcv Engines Ltd Rotary valve internal combustion engine
GB2467947B (en) * 2009-02-20 2013-10-09 Rcv Engines Ltd An internal combustion engine

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