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GB601217A - Improvements in or relating to rotary valves for internal combustion engines - Google Patents

Improvements in or relating to rotary valves for internal combustion engines

Info

Publication number
GB601217A
GB601217A GB13919/46A GB1391944A GB601217A GB 601217 A GB601217 A GB 601217A GB 13919/46 A GB13919/46 A GB 13919/46A GB 1391944 A GB1391944 A GB 1391944A GB 601217 A GB601217 A GB 601217A
Authority
GB
United Kingdom
Prior art keywords
end area
pressure
rotary valve
valve
passage
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
GB13919/46A
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.)
ASPIN FRANK METCALFE
Original Assignee
ASPIN FRANK METCALFE
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 ASPIN FRANK METCALFE filed Critical ASPIN FRANK METCALFE
Priority to GB13919/46A priority Critical patent/GB601217A/en
Publication of GB601217A publication Critical patent/GB601217A/en
Priority to DE1949P0030290 priority patent/DE820651C/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/12—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a scanning signal
    • 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
    • F01L7/02—Rotary or oscillatory slide valve-gear or valve arrangements with cylindrical, sleeve, or part-annularly shaped valves
    • F01L7/028—Rotary or oscillatory slide valve-gear or valve arrangements with cylindrical, sleeve, or part-annularly shaped valves having the rotational axis coaxial with the cylinder axis and the valve surface not surrounding piston or cylinder
    • 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
    • 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
    • F01L7/16—Sealing or packing arrangements specially therefor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/042—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant with reactance tube
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies
    • H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
    • H03J7/22—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element in which an automatic frequency control circuit is brought into action after the scanning action has been stopped
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/20—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a harmonic phase-locked loop, i.e. a loop which can be locked to one of a number of harmonically related frequencies applied to it

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)

Abstract

601,217. Valves. ASPIN, F. M. July 20, 1944, No. 13919. [Class 7 (vi)] In a rotary valve assembly comprising a housing 12 and a rotary valve member 14, which have complementary tapered bearing and gas-sealing surfaces 13, the valve member 'having a through passage 15 forming substantially the whole combustion volume of the engine when the piston is at top dead centre and an end area exposed to the fluctuating fluid pressure against which it functions as a valve and in which the rotary valve member is formed with a second end area directed oppositely to the first and with a duct 23 leading directly from the through passage to a space 22 in the valve housing above said second end area so that there will exist in such space a pressure which tends to counterbalance that in the through passage and which will vary proportionally with fluctuations in the pressure acting on the exposed end area of the rotary valve member, the second end area is close to the bearing and gas-sealing surfaces of the valve, the pressure space 22 above it being of small volume, whilst the duct 23 leading thereto is short and of small diameter so that it does not appreciably reduce the compression ratio of the engine but produces a substantial time lag in the response of the counterbalancing pressure on the second end area to variations in the pressure in the through passage. The area subject to upward pressure is represented by area 27 of Fig. 3, and that subject to downward pressure by areas 28 and 29 of Fig. 2. In a modification, the rotary valve is driven from below so that the upper end area is not obstructed by a valve stem. A further modification has the upper end area formed on the upper face of a flange provided on the lower end of the rotary valve. Two or more flow passages may be provided in the valve instead of the one shown. Specifications 463,412 and 564,850 are referred to.
GB13919/46A 1944-07-20 1944-07-20 Improvements in or relating to rotary valves for internal combustion engines Expired GB601217A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB13919/46A GB601217A (en) 1944-07-20 1944-07-20 Improvements in or relating to rotary valves for internal combustion engines
DE1949P0030290 DE820651C (en) 1944-07-20 1949-01-01 Rotary valve assembly for internal combustion engines

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB13919/46A GB601217A (en) 1944-07-20 1944-07-20 Improvements in or relating to rotary valves for internal combustion engines
NL295853X 1950-05-22

Publications (1)

Publication Number Publication Date
GB601217A true GB601217A (en) 1948-04-30

Family

ID=26250112

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13919/46A Expired GB601217A (en) 1944-07-20 1944-07-20 Improvements in or relating to rotary valves for internal combustion engines

Country Status (1)

Country Link
GB (1) GB601217A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2730089A (en) * 1952-06-04 1956-01-10 Louis O French Rotary valve internal combustion engine
US8967199B2 (en) 2012-09-25 2015-03-03 General Compression, Inc. Electric actuated rotary valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2730089A (en) * 1952-06-04 1956-01-10 Louis O French Rotary valve internal combustion engine
US8967199B2 (en) 2012-09-25 2015-03-03 General Compression, Inc. Electric actuated rotary valve

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