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Topic: Pressure suit

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Space suit

	SR-71 Pilot Full Pressure Suit
		The vent tree of the suit (to be discussed later) was snapped to the outside of this layer.
		Pressure from the suit and the spring kept the valve closed, but as the flier exhaled, the force of the exhalations was stronger than the spring.
		When the suit was inflated to an acceptable pressure, the UCD valve was pressed down, which created a flow of air out of the suit and into the main area of the urine collection device.
	www.wvi.com /~sr71webmaster/press_suit001.html (7453 words)

	Space suit - Wikipedia, the free encyclopedia
		A space suit is a complex system of garments and equipment and environmental systems designed to keep a person alive and comfortable in the harsh environment of outer space.
		Some of these requirements also apply to pressure suits worn by people such as high-altitude fighter pilots who may fly so high that breathing pure oxygen at surrounding pressure would not provide enough oxygen for them to function: see hypoxia.
		The head is encompassed in a pressurized helmet, but the rest of the body is pressurized only by the elastic effect of the suit.
	en.wikipedia.org /wiki/Space_suit (1301 words)

	Combination anti-g and pressure suit - Patent 5007893
		16 is a graph of the sector pressures equation, wherein the sector pressure is plotted as a function of the vertical height of the sectors and the acceleration at a constant respiration pressure of 16 psi;
		The outer suit material is pleated or fluted in approximately circular arcs by the internal air pressure and the imbedded tension cords 803.
		The comparatory circuitry 031 compares the calculated pressure with the pressure in a suit sector chamber 038 as measured by the sector pressure transducer 032 resulting in a signal to the circuitry of the valve driver 034 to raise, lower or hold the sector pressure.
	www.freepatentsonline.com /5007893.html (6443 words)

	This New Ocean - Ch8-3
		The pressure suit for Project Mercury was designed and first developed during 1959 as a compromise between the requirements for flexibility and adaptability.
		The three major parts of the space suit - the torso coveralls, the helmet, and the gloves - were fabricated by techniques and procedures similar to those already [231] in use in the manufacture offull-pressure flying suits.
		Suit pressure was maintained by a demand regulator that metered the oxygen into the system.
	www.hq.nasa.gov /office/pao/History/SP-4201/ch8-3.htm (2698 words)

	SPACE SUIT
		The suit is worn by the astronauts during all critical phases of the mission, during periods when the command module is unpressurized, and during all operations outside the command and lunar modules whether in space or on the moon.
		The suit systems must provide an artificial atmosphere (100-percent oxygen for breathing and for pressurization to 3.7 psi), adequate mobility (lunar gravity is one-sixth that of earth), micrometeorite and visual protective systems, and the ability to operate on the lunar surface for periods of 3 hours.
		The basic components of the suit or pressure garment assembly are the torso limb suit, the pressure helmet, the pressure glove, the integrated thermal meteoroid garment, and the extravehicular glove.
	www.apollosaturn.com /asnr/p223-228.htm (1957 words)

	Flight suit - Battlestar Wiki (Site not responding. Last check: 2007-10-24)
		Pressure gloves, which allow for great dexterity for pilot's as they use ship controls, are attached by a soft pressure seal apparently incorporated in the sleeves.
		The flight suit can be worn with a helmet but with the visor cracked open and vented to the outside air, which allows quick connection to life support but allowing crews in larger craft, such as Raptors, to move about the cabin without hoses.
		The flight suits were designed by Glenne Campbell and her costume staff from a particularly rare material from an Orient manufacturer.
	en.battlestarwiki.org /wiki/Flight_suit (604 words)

	NASA - Airborne Science - ER-2 History of the Pressure Suit
		The first attempts at pressure suit construction resulted in what was, in effect, a mobile form-fitting pressurized cabin which was capable of surrounding the enclosed subject with an envelope of pressurized oxygen.
		The early partial pressure suit, designed to be worn under ordinary flying clothing, consisted of a close-fitting elastic nylon and cotton garment which covered the entire body from the ankles to the neck and wrists.
		The modern pressure suit consist of a gas bladder that maintains a pressure of approximately 3 psi on the body when inflated, it has built in ventilation systems and survival components..
	www.nasa.gov /centers/dryden/research/AirSci/ER-2/pshis.html (708 words)

	[No title]
		Pressure suit refers to any suit that is airtight and designed to protect its wearer from low air pressures and lack of oxygen.
		A pressure suit is not designed to protect the wearer from the extreme temperatures (or lack thereof) in space, and it is not designed to protect the wearer from micrometeoroids and harmful radiation found in space.
		It has all of the qualities of a spacesuit and a pressure suit, except that, for a suit to be an EMU, it must be capable of functioning apart from its parent spacecraft.
	www.geocities.com /CapeCanaveral/Lab/5115 (709 words)

	SSuits
		Henry's partial pressure suit operated by imposing mechanical pressure on the body directly, compressing the abdomen and limbs in the manner of a G-suit through the use of inflatable bladders in the abdominal area and pneumatic tubes (capstans) running along the limbs.
		All the early partial pressure suits were extremely tight fitting and therefore were quite uncomfortable in prolonged use; the reduced comfort of the so-called "Henry suit" was an unfortunate aspect of all subsequent developments of the T-1 and S-2 suits.
		The newer suits did accomplish their main purpose--to protect the wearer from the effects of emergency decompression at altitude for further extended periods of time, but it became increasingly clear that full pressure suits would provide a much more satisfactory and suitable solution to the problem of increased periods of extreme hypobaric exposure.
	webs.lanset.com /aeolusaero/Articles/SSuits.htm (5014 words)

	Pressure Suit (Site not responding. Last check: 2007-10-24)
		This is the same type suit that was used by NASA for the Mercury Astronauts in the early 1960's.
		The same type suit was also used by the Navy as the Mark IV but as most of you know the Air Force version is much, much, much, more rare.
		This picture is of me wearing the suit for Halloween this year (2000) and as you can see it fits me pretty well although it is a little to big for me. Being 6 foot tall I would say it would probobly fit someone 6'4" just perfect!?.
	www.nmia.com /~valorc/american/nasa/suit2.html (193 words)

	Italian Pressure Suit
		The first Italian pressure suit was used during 1934/37 by the "Regia Aeronautica" (Royal Air Force) to break altitude records with the Caproni 161, 161bis and 113 aircraft.
		The suit was made of several layers of canvas and rubber, with a metal collar to fit a cylindrical metal helmet with square view ports.
		The suit was not used on this record since Pezzi was in a special pressurized hull within the biplane aircraft.
	www.astronautix.com /craft/itaesuit.htm (213 words)

	NASA SPACESUITS PAGE (Site not responding. Last check: 2007-10-24)
		The suit comprises several layers including a polyurethane-coated nylon pressure bladder, a polyester structural restraint layer with folded and pleated joints (for mobility), and a woven Kevlar, Teflon, and Dacron anti-abrasion outer layer.
		An electrical harness inside the suit connects the communications carrier assembly and the biomedical instrumentation equipment to the hard upper torso where internal connections are routed to the extravehicular communicator by means of a pass-through.
		The net layer, being slightly smaller than the pressure bladder, reduced the stiffness of the suit when pressurized and served as a sort of structural shell, much like a tire contained the pressure load of the innertube in the era before tubeless tires.
	vesuvius.jsc.nasa.gov /er/seh/suitnasa.html (2493 words)

	Space suit Summary
		A space suit is a complex system of garments, equipment and environmental systems designed to keep a person alive and comfortable in the harsh (lack of) environment of outer space.
		Some of these requirements also apply to pressure suits worn by people such as high-altitude reconnaissance pilots who may fly so high that breathing pure oxygen at surrounding pressure would not provide enough oxygen for them to function: see hypoxia.
		The suit was developed in just over a year by students from the University of North Dakota, North Dakota State, Dickinson State, the state College of Science and Turtle Mountain Community College.
	www.bookrags.com /Space_suit (2962 words)

	STS-1 Post-Flight Suit Test
		As the test continued, chamber pressure was reduced to 5 psia for transfer from external power and oxygen to internal power and oxygen.
		The suit helmet was removed and the waist section was opened so that Pinky could get some fresh air, but we kept him in the test location for a few minutes to do some trouble-shooting and try to recover the test.
		Prevention for low pressure spacesuit operations is provided by prebreathing 100% oxygen for the time required to remove most of the nitrogen from solution in the body.
	jamesmskipper.tripod.com /jamesmskipper/shuttle_spacesuit_test.html (1421 words)

	NASA SPACESUITS PAGE (Site not responding. Last check: 2007-10-24)
		The suit comprises several layers including a polyurethane-coated nylon pressure bladder, a polyester structural restraint layer with folded and pleated joints (for mobility), and a woven Kevlar, Teflon, and Dacron anti-abrasion outer layer.
		An electrical harness inside the suit connects the communications carrier assembly and the biomedical instrumentation equipment to the hard upper torso where internal connections are routed to the extravehicular communicator by means of a pass-through.
		The net layer, being slightly smaller than the pressure bladder, reduced the stiffness of the suit when pressurized and served as a sort of structural shell, much like a tire contained the pressure load of the innertube in the era before tubeless tires.
	www1.jsc.nasa.gov /er/seh/suitnasa.html (2493 words)

	NASA Neurolab Web: To Live and Work aboard the Space Shuttle (Site not responding. Last check: 2007-10-24)
		The pressure is maintained by pressurized bladders that cover most (but not all) of the astronaut's body.
		The bladders of the partial pressure system do not retain pressure unless the suit controller closes, indicating that the ambient pressure in the cabin is between 3.38 and 2.95 psi which is equivalent to an altitude between 35,500 and 38,200 feet.
		The pressure provided by the bladders is variable and depends upon altitude -- the higher the altitude, the greater the pressure in the bladders.
	neurolab.jsc.nasa.gov /lessuit.htm (723 words)

	SR-71 Full Pressure Flight Suit (Site not responding. Last check: 2007-10-24)
		The suit was connected to aircraft systems that provided the required pressurization and oxygen.
		Once the wearer was in his suit he had to use a portable cooling system to stay cool until he was connected into the aircraft cooling system.
		The pressurized suit was equipped with a parachute harness that had quick release fittings in the event the pilot had to leave the aircraft.
	www.hill.af.mil /museum/photos/coldwar/sr-71suit.htm (249 words)

	History of the Space Suit
		The suit was cooled with an external fan unit that the astronaut carried.
		Again, the suit was only pressurized in the event that the cabin pressure failed.
		This suit would not be good enough for journeys to the moon and even less suited to a moon walk.
	www.sln.org /pieces/hiley/history.htm (364 words)

	Soviet VKK-6m high altitude pilot suit
		First introduced as a replacement for the older VKK-4 pressure suit in the 1970's, the VKK-6M pressure suit was, and still is, used for pilots of high performance jet aircraft.
		The VKK-6M pressure suit is very similar to its predecessor, but it incorporated a number of small changes that made it more effective and easier to wear.
		The suit is used in conjunction with the GSh-6 (Germoshelm-6) helmet.
	www.russianwarrior.com /1969_VKK6m.htm (740 words)

	Hilltop Times - One-eyed pilot developed first aircraft pressure suit
		Since the Winnie Mae’s cabin couldn’t be pressurized, Post developed, with the B.F. Goodrich Company, an early pressure suit — the direct ancestor of full pressure suits used on the X-15 research airplane and manned space voyages.
		Post’s suit was made from double-ply rubberized parachute cloth glued to a frame with pigskin gloves, rubber boots and an aluminum and plastic diver’s helmet.
		The pressure suit he developed is also displayed at the Smithsonian’s National Air and Science Museum.
	www.hilltoptimes.com /story.asp?edition=112&storyid=3112 (1313 words)

	The Space Suit Site - Historical - Apollo/Skylab (Site not responding. Last check: 2007-10-24)
		A backpack PLSS provided oxygen for breathing, suit pressurization, and ventilation for moonwalks lasting up to 7 hours; Apollo spacesuit mobility was improved over earlier suits by use of bellows-like molded rubber joints at the shoulders, elbows, hips and knees.
		The torso and limb suit consists of an inner comfort liner, a rubber-coated nylon bladder, and an outer nylon restraint structure with the exception of the shoulder, elbow, wrist, thigh and knee joints.
		In the suit, heat is transferred from the body to the liquid through the tubing wall, and in the portable life support system, the heat is removed from the liquid before it is recirculated back to the LCG.
	strangeblue.iwarp.com /spacesuits/apollo.html (1907 words)

	NASA Quest > Space Team Online (Site not responding. Last check: 2007-10-24)
		During the next 30 years, pressure suits evolved in many ways and technical manufacturing help was gained from companies that made armor, diving suits, galoshes, and even girdles and corsets.
		With the advent of pressurized aircraft cabins, comfort and mobility in the suit when it was unpressurized became prime objectives in suit design.
		The suit could then be inflated in the event that the aircraft cabin lost pressure.
	quest.arc.nasa.gov /space/teachers/suited/4space1.html (642 words)

	James Paget Henry, developer of pressure suit (Site not responding. Last check: 2007-10-24)
		James Paget Henry, emeritus professor of physiology at the USC School of Medicine whose research contributed to the first U.S. space missions and development of a pressure suit used by Air Force and Navy pilots, died of cancer on Nov. 20.
		He began his career at USC in 1943, and while here designed a partial pressure suit for emergency extreme altitude protection that later became standard issue for military pilots.
		He left USC to continue his work on the pressure suit at Wright-Patterson Air Force Base and to direct the Physiology of Rocket Flight research project for the U.S. Air Force, which led to the first successful animal rocket flights.
	www.usc.edu /hsc/info/pr/1vol2/232/henry.html (261 words)

	Nasaexplores
		While pressure is essential to astronaut survival, the pressure exerted by a space suit does not have to match sea level pressure on Earth.
		The pressure layer of the Space Shuttle space suit encases the astronaut with an inner layer of rubber and an outer layer of nylon.
		The space suit is designed to contain the proper amount of air and pressure on the inside, while keeping the cold temperatures and low pressures from touching the astronaut.
	www.nasaexplores.com /show_912_teacher_sh.php?id=040622124532 (1073 words)

	SPACE.com -- High-Tech Spacesuits Eyed for 'Extreme Exploration'
		Suit elements in order of donning are: (1) comfortable elastic bio-suit layer; (4) hard torso shell; and (5) portable life support system that attaches mechanically to the hard torso shell, and provides gas counter pressure.
		Gas pressure flows freely into the helmet (2) and down tubes on the elastic bio-suit layer to the gloves and boots (3).
		The Bio-Suit System, Newman said, would provide life support through mechanical counter pressure where pressure is applied to the entire body through a tight-fitting suit with a pressurized helmet for the head.
	www.space.com /businesstechnology/technology/spacesuit_innovations_050126.html (1246 words)

	PCB-Mount Pressure Sensors suit medical applications., Measurement Specialties, Inc
		Model 4425 has dual pressure ports on side and offers differential or absolute pressure measurement; tubes are parallel to PCB to allow clearance above sensor.
		The pressure sensors are available in ranges from 0-1 psi to 0-100 psi.
		The pressure ports are 1/8" barbed ports which mate with 3/32" ID tubing.
	news.thomasnet.com /fullstory/511077/2399 (845 words)

	Pressure Regulators suit sample conditioning systems., Swagelok Company
		New Swagelok® regulators are used in a variety of applications such as sample conditioning systems, gas and liquid analysis systems, calibration and carrier gas cylinders and delivery systems, instrument air, and speciality gas pressure control by primarily the chemical, petrochemical, oil and gas, and power industries.
		Swagelok piston-type pressure regulators are commonly used in analyzer zero/span gas control, sample handling systems, manufacturing processes, laboratories, and other systems.
		Diaphragm-type pressure regulators are used in analyzer zerc/span gas control, sampling systems, pilot plants, hydraulic and pneumatic test benches, research laboratories, and other systems.
	www.industrialnewsroom.com /fullstory/452764 (887 words)

	Pressure Sensors suit aerodynamic testing and analysis. - PCB Piezotronics Inc.
		Dec 24, 2004 - Pressure Sensors detect pulsations, surges, and leaks.
		Jul 14, 2005 - Pressure Sensor is built for hazardous environments.
		Aug 25, 2004 - Pressure Sensors are suited for fluid applications.
	news.managingautomation.com /fullstory/453969 (1378 words)

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