Abstract: Apparatus for randomly varying the breathing resistance applied to human and animal subjects to improve their performance.

Abstract: A heap of a material to be leached to recover a valuable metal from the material and a method of constructing the heap are disclosed. The heap comprises sides and a top and a system to control air flow into the heap. The air flow control system comprises a combination of an air impermeable barrier and an aeration system.

Abstract: Apparatus for randomly varying the breathing resistance applied to human and animal subjects to improve their performance.

Abstract: An hydraulically set oil-permeable cement body is provided in the form of a stand-alone block or briquette for preserving cooking oil during deep fat frying, said body. It has substantially no free water or having a low free water content for resisting damage on immersion in cooking oil and initial heating and is enclosed in packaging that resists ingress of water or water vapour The block or briquette consists of >50 wt % of a mixture of milled white OPC clinker and white OPC, optionally silica 1-2 wt % and/or titania (TiO2) 1-2 wt % and optionally further ingredients selected from calcium silicate, magnesium silicate, aluminium silicate, natural feldspars, natural sodium zeolites, natural calcium zeolites, synthetic sodium zeolites, synthetic calcium zeolites, wollastonite, calcium hydroxide, clays, pillared clays, activated clays/earths, talcs/kaolinite, amphiboles, granite porphyry, rhyolite, agalmatolite, porphyry, attapulgite and diatomaceous earth.

Abstract: An articulated vehicle has front and rear sections that are connected via a vertically pivot, and the front section has one or more front wheels that pivot a horizontal plane. A first sprocket is mounted on a vertical axis, for movement with the front section, the axis of the first sprocket is offset from the axis of the pivot between the front and rear sections, a shaft transmit angular movement at a ratio of 1:1 and in the same direction from the front wheel or wheels to the first sprocket, and a second sprocket is mounted on the rear section of the vehicle coaxially of the axis of the pivot between the front and rear sections. The second sprocket is drivingly connected to a rotary sensor, the first and second sprockets are drivingly connected by way of a chain, and the first and second sprockets having a drive ratio of 1:1.

Abstract: A method is provided for preserving cooking oil which may be cold or heated or during frying operations, which comprises in situtreatment of the oil withat least one oil-permeable cement body which has been hydraulically hardened from a paste comprising cement clinker and cement e.g. white OPC clinker and white OPC. The invention further comprises cooking oil having therein at least one oil-permeable cement body which has been hydraulically hardened from a paste comprising cement clinker and cement and an oil-permeable cement body for use in the above method.

Abstract: A pulsed breathing device has a base unit containing a motor and control circuit and a detachable head unit containing a valve, driven by the motor, which can interrupt the flow of air being breathed.

Abstract: A solid oxide fuel cell comprising a thin ceramic electrolyte sheet having an increased street width is disclosed. Also disclosed are solid oxide fuel cells comprising: a substantially flat ceramic electrolyte sheet, a substantially flat ceramic electrolyte sheet having a seal area of greater thickness than the active area of the electrolyte sheet, a ceramic electrolyte sheet that overhangs the seal area, a ceramic electrolyte sheet and at least one substantially flat border material, and a border material having a non-linear edge. Methods of making a solid oxide fuel cell in accordance with the disclosed embodiments are also disclosed. Also disclosed are methods of making a solid oxide fuel cell wherein the seal has a uniform thickness, wherein the seal is heated to remove a volatile component prior to sealing, and wherein the distance between the frame and the ceramic electrolyte sheet of the device is constant.

Abstract: According to one embodiment of the invention a fuel cell device array monolith comprises at least three planar electrolyte sheets having two sides. The electrolyte sheets are situated adjacent to one another. At least one of the electrolyte sheets is supporting a plurality of anodes situated on one side of the electrolyte sheet; and plurality of cathodes situated on the other side of the electrolyte sheet. The electrolyte sheets are arranged such that the electrolyte sheets with a plurality of cathodes and anodes is situated between the other electrolyte sheets. The at least three electrolyte sheets are joined together by sintered fit, with no metal frames or bipolar plates situated therebetween.

Abstract: An articulated vehicle has front and rear sections that are connected via a vertically pivot, and the front section has one or more front wheels that pivot a horizontal plane. A first sprocket is mounted on a vertical axis, for movement with the front section, the axis of the first sprocket is offset from the axis of the pivot between the front and rear sections, a shaft transmit angular movement at a ratio of 1:1 and in the same direction from the front wheel or wheels to the first sprocket, and a second sprocket is mounted on the rear section of the vehicle coaxially of the axis of the pivot between the front and rear sections. The second sprocket is drivingly connected to a rotary sensor, the first and second sprockets are drivingly connected by way of a chain, and the first and second sprockets having a drive ratio of 1:1.

Abstract: A method is provided for preserving cooking oil which may be cold or heated or during frying operations, which comprises in situ treatment of the oil withal least one oil-permeable cement body which has been hydraulically hardened from a paste comprising cement clinker and cement e.g. white OPC clinker and white OPC. The invention further comprises cooking oil having therein at least one oil-permeable cement body which has been hydraulically hardened from a paste comprising cement clinker and cement and an oil-permeable cement body for use in the above method.

Abstract: Disclosed are composite electrodes for use in a solid oxide fuel cell devices. The electrodes are comprised of a sintered mixture of lanthanum strontium ferrite phase and yttria stabilized zirconia phase. The lanthanum strontium ferrite phase has the general formula (LaxSry)i±?(FeaMnbCoc)O3; wherein 1.O?x?0.65; 0.35?y?0.0; x+y=1.0, ?=0-0.1, a+b+c=1, and a>0.6. Also disclosed are methods of making the composite electrodes and solid oxide fuel cell devices comprising same.

Abstract: A fork lift truck (10) has a truck body (12), a lift mechanism (14) connected to the truck body (12) by means of a vertically extending pivot (52) and means (24) for turning the lift mechanism (14) relative to the truck body (12) about said pivot (52) to steer the truck (10), the truck body (12) having a pair of rear ground engaging wheels (16) mounted on transverse axes, the lifting mechanism (14) having a single ground engaging front wheel (40) mounted centrally on a transverse axis, the front wheel (40) having independent drive means (44, 46).

Abstract: A fork lift truck (10) has a truck body (12), a lift mechanism (14) connected to the truck body (12) by way of a vertically extending pivot (52) and mechanism (24) for turning the lift mechanism (14) relative to the truck body (12) about the pivot (52) to steer the truck (10), the truck body (12) having a pair of rear ground engaging wheels (16) mounted on transverse axes, the lifting mechanism (14) having a single ground engaging front wheel (40) mounted centrally on a transverse axis, the front wheel (40) having independent drive mechanism (44, 46).

Abstract: A muscle training apparatus arranged for cyclic concentric and eccentric loading phases including load imposition means arranged for a user to exercise against load variation means arranged for varying the load as between concentric and eccentric loading phases, a vibrator operational to apply vibration between the user and the load, a controller operational to control the vibrator and to vary the extent of vibration as between concentric and eccentric phases.

Abstract: A self propelled lift truck has a traction unit with a pair of rear ground engaging wheels, one rear wheel being mounted on each side of the traction unit, at least one ground engaging drive wheel being mounted on to the traction unit, a lift mechanism being mounted to the traction unit for pivotal movement about a vertical axis, the lift mechanism having a pair of foot members extending forwardly of the lift mechanism in spaced apart relationship, a front ground engaging wheel being mounted on each of the foot members for rotation about a transverse horizontal axis adjacent the front end of the foot member, a steering mechanism being provided by which the lift mechanism may be pivoted relative to the traction unit in order to steer the lift truck and one or more stability wheels being mounted adjacent the rear of the lift mechanism, the or each stability wheel being mounted for rotation about a fixed transverse horizontal axis, the stability wheels being clear of the ground when the lift mechanism is in a st

Abstract: A catalyst body which includes ceria:zirconia and a metal-zeolite, and is substantially free, or free, of tungsten or tungsten compounds, and methods of manufacture. The ceria and zirconia are present with a zirconia/ceria mole ratio of less than or equal to 1.0. The catalyst body is especially useful in NOx reduction applications.

Abstract: A solid oxide fuel cell device assembly comprising: (i) at least one solid oxide fuel cell device including one electrolyte sheet sandwiched between at least one pair of electrodes; and (ii) a non-steel frame fixedly attached to said at least one fuel cell device without a seal located therebetween.

Abstract: An exemplary fuel cell device assembly includes: (i) an electrolyte sheet; (ii) a plurality of cathodes disposed on one side of the electrolyte sheet; (iii) a plurality of anodes disposed on another side of the electrolyte sheet; and (iv) a frame supporting the electrolyte sheet, the frame having a plurality of channels. Preferably the cross-sectional area of the frame has channel density of at least 20/in2 and channel wall thickness of 50 mils or less.

Abstract: A method is provided for treating cooking oil during frying operations, which comprises in situ treatment of the oil with a source of calcium or magnesium combined with silicate such that the calcium or magnesium substantially does not leach into the oil. The filter treatment materials may be cement clinker, OPC, calcium silicate and combinations or mixtures thereof e.g. a combination of white OPC clinker and white OPC. The filter treatment materials may be in the form of a free briquette or block immersed in the oil. In other embodiments a decontaminating or filter cartridge is provided for fitting to a deep oil or fat cooker or a frying basket and comprises a foraminous housing containing filtering or decontaminant material. The cartridge may be used in association with a deep oil or fat fryer having a base formed with a depression defining a cool spot, the cartridge fitting in or on said cool spot.