A beach chair which can be adapted for a woman who is pregnant and wishes to sunbathe in the prone position.
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| Number | Title | Issue Date |
| 6739131 | Combustion-driven hydroelectric generating system with closed loop control A combustion-driven hydroelectric generating system has one or more combustion cylinders that contain a liquid (such as water) and receive a combustible fuel/oxidizer mixture that is ignited and the explosive force of the combustion acts on the surface of the liquid... | 05/25/2004 |
| 6652248 | Catalyst bed A catalyst bed assembly, comprising: an outer housing having an open interior, an inlet leading to the open interior, and an outlet from the open interior; a catalyst bed in the open interior; and a gap between the outer housing and the catalyst bed. The ... | 11/25/2003 |
| 6554585 | Power generating assembly capable of dual-functionality A power generating assembly structured to have dual functionality by combining an interactive operation of both an engine assembly and a compressor assembly in an at least partially segregated or isolated relation to one another within a common housing. T... | 04/29/2003 |
| 6551076 | Fuel/hydraulic engine system An engine type apparatus converts the energy released by the internal combustion of a hydrocarbon fuel directly into high pressure. A power cylinder is physically located opposite one of a gas or liquid work cylinder. The power piston is coupled directly ... | 04/22/2003 |
| 6460327 | Internal combustion engine A combustion engine including a combustion chamber for combusting a fuel in an explosion cycle, and a separate pump chamber, connected with the combustion chamber and having a liquid inlet opening through which pump liquid flows into the pump chamber, and... | 10/08/2002 |
| 5873709 | Device for producing compressed air for various uses The device of the current invention produces volumes of compressed air by utilizing a turbocharger, a compact combustion assembly, and a hydraulic power pack. The turbocharger includes a turbine and centrifugal compressor, each being interconnected using ... | 02/23/1999 |
| 5771693 | Gas compressor A gas compressor is provided comprising a chamber (9) to contain gas to be compressed, a piston (12) and the chamber (9) and an apparatus to drive the piston into the chamber (9) to compress the gas. The compressor also comprises another apparatus (5) to ... | 06/30/1998 |
| 5713202 | Methods for producing hydro-electric power A process of utilizing combustion products from fossil fuels to produce hydro-electric power through a process of allowing such products to displace water from a tank for operating a turbine or pelton wheel. The process allows hydro-electric power to be g... | 02/03/1998 |
| 5077968 | Vaneless contrarotating turbine First turbine stage 14 rotates at low speed, doing moderate work, and driving a low pressure pump (22). Second turbine stage 16 rotates at high speed, doing a major portion of the work, and drives a high pressure pump (28). The low speed pump is compatibl... | 01/07/1992 |
| 4834622 | Gas turbine engine/load compressor power plants Single shaft, air breathing auxiliary power units having a single stage centrifugal load compressor driven by a gas turbine engine. The latter has a single stage centrifugal compressor and a single stage radial inflow turbine mounted in back-to-back relat... | 05/30/1989 |
| 4730990 | Pulse combustion engine and heat transfer system A pulse combustion powered apparatus is disclosed for temperature conditioning and pressurizing fluids. The alternating periods of positive and negative pressure of the combustion gases of a pulse combustion burner drive a reciprocating compressor and the... | 03/15/1988 |
| 4685510 | Pulse combustion engine and heat transfer system A pulse combustion powered apparatus is disclosed for temperature conditioning and pressurizing fluids. The alternating periods of positive and negative pressure of the combustion gases of a pulse combustion burner drive a reciprocating compressor and the... | 08/11/1987 |
| 4671744 | Self-contained propellant driven turbofan An integral turbofan/solid propellant gas generator air induction system features in a single device a solid propellant gas generator and a turbofan which are operative, when activated, even after long periods of storage, to take ambient air and compress ... | 06/09/1987 |
| 4599044 | Electronic feedback area control system for TVC gas generator In a thrust vector control system of the type in which a solid-propellant s generator powers a turbine-driven pump for driving hydraulic actuators for controlling the direction of thrust, the improvement being a feed back control system in which a variabl... | 07/08/1986 |
| 4591314 | Hydraulic power supply system utilizing a solid propellant gas generator A hydraulic power supply system utilizing a turbine-driven pump in a hydraulic circuit and a solid propellant gas generator providing gas for driving the turbine. A gas pressure relief valve is operable to maintain the gas generator at constant pressure a... | 05/27/1986 |
| 4347701 | Power system for land vehicles A method of converting steam pressure from a boiler into a constant pressure hydraulic fluid working media and system for efficiently utilizing the hydraulically stored energy in a land vehicle or the like. A reciprocating steam piston actuates one or mor... | 09/07/1982 |
| 4037995 | Liquid propellant gun (damper) A liquid propellant gun utilizes a differential piston having a plurality of bores through its head, which head divides the liquid propellant pumping chamber from the combustion chamber, and propellant supply means providing liquid propellant under pressu... | 07/26/1977 |
| 4023463 | Liquid propellant gun (check valve and damper) A liquid propellant gun utilizes a differential piston having a plurality of bores through its head, which head divides the liquid propellant pumping chamber from the combustion chamber, and propellant supply means providing liquid propellant under pressu... | 05/17/1977 |