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U.S. Patent Specifications

U.S. Patent Specifications These abstracts of patents granted in the United States are taken, by permission of the Department of Commerce, from the 'Official Gazette of the United States Patent Office'. Printed copies of the full specification can be obtained, price 10 cents each, from the Commissioner of Patents, Washington, D.C. , U.S.A. They are usually available for inspection at The British Patent Office, Southampton Buildings, Chancery Lane, London, W.C.2. Except where otherwise stated, the specification is unaccompanied by drawings if none is reproduced. 2,428,200. Pitch Control for Aircraft Sustaining Rotors. Harris S. Campbell, Bryn Athyn, Pa., assignor to Autogiro Company of America, Philadelphia, Pa., a corporation of Delaware. Application August 7, rotatable with a propeller of the assembly and the 1942. Serial No. 453,932. 5 Claims. (C1. 170—160.) other element of which is rotatable relative to the first In an aircraft having a sustaining rotor incorporat­ said element and to said propeller and to said support, ing a hub and a blade, the latter being connected with and means for conducting the current from said arma­ the hub by means of a flapping pivot, a pitch change ture element to said heating means. mounting for the blade, and mechanism for control­ 2,429,101. Aircraft Hot-Air Heater with Air Speed ling the blade pitch including cooperating worm and Responsive Fuel Supply. John H. Leslie, II, Winnetka, III., assignor to Stewart-Warner Corporation, Chica­ go, III., a corporation of Virginia. Application December 10, 1943. Serial No. 513,732. 4 Claims. (C1. 126—110.) predetermined position with respect to said bed but In a heating system for aircraft, including an intern­ independently thereof, a movable top member having al combustion heater having a heat exchanger and a a lower working face conforming in shape to the other combustion chamber, means including a ram which edge of said wing, means on said working face of said supplies ventilating air to the heat exchanger at a rate top member and on said bed to secure said respective which varies with the speed of the aircraft, a source of spars in predetermined position thereon, means on fuel under constant pressure, a fuel nozzle discharging said withdrawable control surfaces to engage the ends into said combustion chamber, a fuel feed conduit of said spars, and means to withdraw said top member connecting said fuel source and said nozzle, a fuel from registry with said bed to permit removal of a feed valve in said conduit, a combustion air pipe completed wing component from said apparatus, columns at the ends of said beds, said withdrawable control surfaces slidably mounted in said columns for movement longitudinally of said bed, a track sup­ ported on the top of said columns, a wheeled carriage worm wheel elements, the latter of which is connected on said track, said top member mounted on said car­ with the blade and moves therewith in the pitch change riage for movement transversely of said bed. and flapping senses, the worm element being mounted 2,428,830. Regulation of Combustion Gas Tur­ to move with the blade in the flapping sense, and bines arranged in Series. Rudolph Birmann, New­ actuating means for the worm constructed and ar­ town, Pa., assignor, by mesne assignments, to Turbo ranged to effect pitch change movement of the blade Engineering Corporation, a corporation of Delaware. in predetermined relation and in response to flapping Application April 18, 1942. Serial No. 437,570. movement of the blade. 5 Claims. (C1. 60—41.) In combination, a turbine, a compressor driven by 2,428,283. Cabin Pressure Control. James M. said turbine, means for burning fuel in air compressed Kemper, Hollywood, Calif., assignor to The Garrett by said compressor to provide hot combustion gases Corporation, Airesearch Manufacturing Company leading to the combustion chamber, a second ram to drive said turbine, means for reducing the supply division, Los Angeles, Calif. Application December which supplies air to said pipe at a pressure which of fuel to said burning means when the supply of air 12, 1943. Serial No. 514,055. 11 Claims. (C1. 98—1.5.) varies with the speed of the aircraft, pressure respon­ thereto is reduced and vice versa, a second turbine In a system for controlling the pressure in an air­ sive means subject to the pressure in said pipe and rotating independently of the first turbine and ar­ craft cabin, the combination of: regulating means for connected to actuate said fuel feed valve for varying ranged for operation through a substantial speed controlling the pressure in said cabin; constant pres­ the quantity of combustible mixture furnished to the range and determining by its speed its useful variable sure means responsive to cabin pressure operative to heater in response to changes in air speed of the air­ power output, means for directing to the second tur­ craft, and a valve in said air pipe and pressure re­ bine gases discharged from the first turbine to drive sponsive means subject to the pressure in said pipe and connected to actuate said valve for reducing the quantity of air admitted to said pipe from the second ram as the ram pressure becomes excessive at the higher speeds attained by the aircraft. 2,429,208. Engine Combustion Air Control System. Arthur F. Matthews, Ferguson, and Robert D. control said regulating means so as to maintain pres­ McClure, Jr., and Edmond Siroky, University City, sure in the cabin which is independent of ambient Mo., assignors to Curtiss-Wright Corporation, a pressure; differential pressure means, responsive to corporation of Delaware. Application April 7, 1944. the pressure differential between the cabin interior and Serial No. 530,070. 14 Claims. (C1. 123—122.) ambient atmospheric pressure, operative to control In an enclosed internal combustion engine having said regulating means so as to maintain a predeter­ a combustion air induction system) an engine air mined pressure differential between cabin pressure induction control means and ambient pressure; and ambient pressure respon­ comprising a valvehous- sive means for selectively rendering effective the con­ ing associated with the said second turbine, and adjustable nozzles for con­ stant pressure means and the differential pressure engine air inducting sy­ trolling the flow of driving gases to said second tur­ means in their respective control of the regulating stem, a conduit direct­ bine both to vary the speed of the second turbine and means. ing a supply of air into the back pressure on the first turbine, thereby to con­ the valve housing from trol the operation of the latter and of its associated outside the enclosure, 2,428,674. Apparatus for Constructing Aircraft compressor, the adjustment of the nozzles changing a conduit directing a Wings. Logan C. Miller, Ann Arbor, and George E. the flow areas therethrough. Scarlett, Detroit, Mich., assignors to Ford Motor supply of air into the Company, Dearborn, Mich., a corporation of Dela­ valve housing from 2,429,061. Counter-Rotating Propeller Assembly. ware. Application May 17, 1943. Serial No. 487,279. within the enclosure, Willson H. Hunter, Akron, Ohio, assignor to The 5 Claims. (CI. 29—286.) means for filtering the B. F. Goodrich Company, New York, N.Y., a cor­ An apparatus for the fabrication of aircraft wing enclosure air passing poration of New York. Application October 28, 1943. components which include exterior skin panels se­ through the enclosure Serial No. 508,037. 6 Claims. (C1. 244—134.) cured to internally disposed longitudinal and trans­ air supply conduit, In an aircraft assembly having propellers rotatablc means for heating the verse members comprising a skeleton and longitud­ coaxially relative to a support in counter-rotative air supplied to the engine, an air selector valve ele­ inal edge bounding spar members, which comprises, directions, in combination, electrical heating means ment operatively positioned in the valve housing, and a fixed bed means conforming in disposition and shape for the blades of said propellers means for generating valve controlling means adapted to position said valve to one edge of said wing, withdrawable control sur­ electrical current for said heating means, the generat­ for the admission to the engine induction system of faces at the ends of said bed conforming to the end ing means being mounted coaxially with and between filtered enclosure air or outside air, said controlling surfaces of said wing, movable positioning means said propellers at the hub of a propeller and com­ means including means adapted to regulate said located along said bed and adapted to engage said prising a field element and an armature element asso­ heating means. internally disposed skeleton and support the same in ciated with said field element, an element of which is Aircraft Engineering http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

U.S. Patent Specifications

Aircraft Engineering and Aerospace Technology , Volume 20 (1): 1 – Jan 1, 1948
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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb031597
Publisher site
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Abstract

These abstracts of patents granted in the United States are taken, by permission of the Department of Commerce, from the 'Official Gazette of the United States Patent Office'. Printed copies of the full specification can be obtained, price 10 cents each, from the Commissioner of Patents, Washington, D.C. , U.S.A. They are usually available for inspection at The British Patent Office, Southampton Buildings, Chancery Lane, London, W.C.2. Except where otherwise stated, the specification is unaccompanied by drawings if none is reproduced. 2,428,200. Pitch Control for Aircraft Sustaining Rotors. Harris S. Campbell, Bryn Athyn, Pa., assignor to Autogiro Company of America, Philadelphia, Pa., a corporation of Delaware. Application August 7, rotatable with a propeller of the assembly and the 1942. Serial No. 453,932. 5 Claims. (C1. 170—160.) other element of which is rotatable relative to the first In an aircraft having a sustaining rotor incorporat­ said element and to said propeller and to said support, ing a hub and a blade, the latter being connected with and means for conducting the current from said arma­ the hub by means of a flapping pivot, a pitch change ture element to said heating means. mounting for the blade, and mechanism for control­ 2,429,101. Aircraft Hot-Air Heater with Air Speed ling the blade pitch including cooperating worm and Responsive Fuel Supply. John H. Leslie, II, Winnetka, III., assignor to Stewart-Warner Corporation, Chica­ go, III., a corporation of Virginia. Application December 10, 1943. Serial No. 513,732. 4 Claims. (C1. 126—110.) predetermined position with respect to said bed but In a heating system for aircraft, including an intern­ independently thereof, a movable top member having al combustion heater having a heat exchanger and a a lower working face conforming in shape to the other combustion chamber, means including a ram which edge of said wing, means on said working face of said supplies ventilating air to the heat exchanger at a rate top member and on said bed to secure said respective which varies with the speed of the aircraft, a source of spars in predetermined position thereon, means on fuel under constant pressure, a fuel nozzle discharging said withdrawable control surfaces to engage the ends into said combustion chamber, a fuel feed conduit of said spars, and means to withdraw said top member connecting said fuel source and said nozzle, a fuel from registry with said bed to permit removal of a feed valve in said conduit, a combustion air pipe completed wing component from said apparatus, columns at the ends of said beds, said withdrawable control surfaces slidably mounted in said columns for movement longitudinally of said bed, a track sup­ ported on the top of said columns, a wheeled carriage worm wheel elements, the latter of which is connected on said track, said top member mounted on said car­ with the blade and moves therewith in the pitch change riage for movement transversely of said bed. and flapping senses, the worm element being mounted 2,428,830. Regulation of Combustion Gas Tur­ to move with the blade in the flapping sense, and bines arranged in Series. Rudolph Birmann, New­ actuating means for the worm constructed and ar­ town, Pa., assignor, by mesne assignments, to Turbo ranged to effect pitch change movement of the blade Engineering Corporation, a corporation of Delaware. in predetermined relation and in response to flapping Application April 18, 1942. Serial No. 437,570. movement of the blade. 5 Claims. (C1. 60—41.) In combination, a turbine, a compressor driven by 2,428,283. Cabin Pressure Control. James M. said turbine, means for burning fuel in air compressed Kemper, Hollywood, Calif., assignor to The Garrett by said compressor to provide hot combustion gases Corporation, Airesearch Manufacturing Company leading to the combustion chamber, a second ram to drive said turbine, means for reducing the supply division, Los Angeles, Calif. Application December which supplies air to said pipe at a pressure which of fuel to said burning means when the supply of air 12, 1943. Serial No. 514,055. 11 Claims. (C1. 98—1.5.) varies with the speed of the aircraft, pressure respon­ thereto is reduced and vice versa, a second turbine In a system for controlling the pressure in an air­ sive means subject to the pressure in said pipe and rotating independently of the first turbine and ar­ craft cabin, the combination of: regulating means for connected to actuate said fuel feed valve for varying ranged for operation through a substantial speed controlling the pressure in said cabin; constant pres­ the quantity of combustible mixture furnished to the range and determining by its speed its useful variable sure means responsive to cabin pressure operative to heater in response to changes in air speed of the air­ power output, means for directing to the second tur­ craft, and a valve in said air pipe and pressure re­ bine gases discharged from the first turbine to drive sponsive means subject to the pressure in said pipe and connected to actuate said valve for reducing the quantity of air admitted to said pipe from the second ram as the ram pressure becomes excessive at the higher speeds attained by the aircraft. 2,429,208. Engine Combustion Air Control System. Arthur F. Matthews, Ferguson, and Robert D. control said regulating means so as to maintain pres­ McClure, Jr., and Edmond Siroky, University City, sure in the cabin which is independent of ambient Mo., assignors to Curtiss-Wright Corporation, a pressure; differential pressure means, responsive to corporation of Delaware. Application April 7, 1944. the pressure differential between the cabin interior and Serial No. 530,070. 14 Claims. (C1. 123—122.) ambient atmospheric pressure, operative to control In an enclosed internal combustion engine having said regulating means so as to maintain a predeter­ a combustion air induction system) an engine air mined pressure differential between cabin pressure induction control means and ambient pressure; and ambient pressure respon­ comprising a valvehous- sive means for selectively rendering effective the con­ ing associated with the said second turbine, and adjustable nozzles for con­ stant pressure means and the differential pressure engine air inducting sy­ trolling the flow of driving gases to said second tur­ means in their respective control of the regulating stem, a conduit direct­ bine both to vary the speed of the second turbine and means. ing a supply of air into the back pressure on the first turbine, thereby to con­ the valve housing from trol the operation of the latter and of its associated outside the enclosure, 2,428,674. Apparatus for Constructing Aircraft compressor, the adjustment of the nozzles changing a conduit directing a Wings. Logan C. Miller, Ann Arbor, and George E. the flow areas therethrough. Scarlett, Detroit, Mich., assignors to Ford Motor supply of air into the Company, Dearborn, Mich., a corporation of Dela­ valve housing from 2,429,061. Counter-Rotating Propeller Assembly. ware. Application May 17, 1943. Serial No. 487,279. within the enclosure, Willson H. Hunter, Akron, Ohio, assignor to The 5 Claims. (CI. 29—286.) means for filtering the B. F. Goodrich Company, New York, N.Y., a cor­ An apparatus for the fabrication of aircraft wing enclosure air passing poration of New York. Application October 28, 1943. components which include exterior skin panels se­ through the enclosure Serial No. 508,037. 6 Claims. (C1. 244—134.) cured to internally disposed longitudinal and trans­ air supply conduit, In an aircraft assembly having propellers rotatablc means for heating the verse members comprising a skeleton and longitud­ coaxially relative to a support in counter-rotative air supplied to the engine, an air selector valve ele­ inal edge bounding spar members, which comprises, directions, in combination, electrical heating means ment operatively positioned in the valve housing, and a fixed bed means conforming in disposition and shape for the blades of said propellers means for generating valve controlling means adapted to position said valve to one edge of said wing, withdrawable control sur­ electrical current for said heating means, the generat­ for the admission to the engine induction system of faces at the ends of said bed conforming to the end ing means being mounted coaxially with and between filtered enclosure air or outside air, said controlling surfaces of said wing, movable positioning means said propellers at the hub of a propeller and com­ means including means adapted to regulate said located along said bed and adapted to engage said prising a field element and an armature element asso­ heating means. internally disposed skeleton and support the same in ciated with said field element, an element of which is Aircraft Engineering

Journal

Aircraft Engineering and Aerospace Technology – Emerald Publishing

Published: Jan 1, 1948

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