Backpack for air extraction from snow
OwnerScott A. Ogilvieinventor
Life of this patent
Estimating the term…
Abstract
An apparatus and system are disclosed to extract breathable air from snow via an air extraction backpack. The apparatus includes an air-permeable extraction assembly that is attached to a backpack. The air-permeable extraction assembly has an air intake cavity. An air-permeable membrane covers the air intake cavity. A mouthpiece is in fluid communication with the air intake cavity. The mouthpiece draws intake air through the air intake cavity upon inhalation by a user. A transfer guide passes intake air from the air-permeable extraction assembly to the mouthpiece upon inhalation by the user.
Claims20
An apparatus to extract breathable air from snow, the apparatus comprising:
- an air-permeable extraction assembly attached to a backpack, the air-permeable extraction assembly comprising at least one air intake cavity and an air-permeable membrane, the air-permeable membrane disposed over the air intake cavity;
- a mouthpiece in fluid communication with the at least one air intake cavity, the mouthpiece drawing intake air through the at least one air intake cavity in response to inhalation by a user;
- and
- a transfer guide coupled to the air-permeable extraction assembly and the mouthpiece, the transfer guide passing intake air from the air-permeable extraction assembly to the mouthpiece in response to inhalation by a user.
An air extraction backpack to extract breathable air from snow, the air extraction backpack comprising:
- a backpack;
- a carrying strap attached to the backpack to allow a user to carry the backpack;
- an air-permeable extraction assembly disposed on the backpack, the air-permeable extraction assembly comprising at least one air intake cavity and an air-permeable membrane, the air-permeable membrane disposed over the air intake cavity;
- a mouthpiece in fluid communication with the at least one air intake cavity, the mouthpiece drawing intake air through the at least one air intake cavity in response to inhalation by a user;
- and
- a transfer guide coupled to the air-permeable extraction assembly and the mouthpiece, the transfer guide passing intake air from the air-permeable extraction assembly to the mouthpiece in response to inhalation by a user.
A system to extract breathable air from snow, the system comprising:
- a backpack;
- a protective helmet;
- a backpack air-permeable extraction assembly attached to the backpack, the backpack air-permeable extraction assembly comprising at least one backpack air intake cavity and a backpack air-permeable membrane, the backpack air-permeable membrane disposed over the backpack air intake cavity;
- a helmet air-permeable extraction assembly disposed within an outer surface of the protective helmet, the helmet air-permeable extraction assembly comprising at least one helmet air intake cavity and a helmet air-permeable membrane, the helmet air-permeable membrane disposed over the helmet air intake cavity;
- a mouthpiece in fluid communication with at least one of the backpack and helmet air intake cavities, the mouthpiece drawing intake air through at least one of the backpack and helmet air intake cavities in response to inhalation by a user;
- and
- a transfer guide extending between the helmet air-permeable extraction assembly and the backpack air-permeable extraction assembly, the transfer guide in fluid communication with the mouthpiece, the transfer guide passing intake air from at least one of the helmet and backpack air-permeable extraction assemblies to the mouthpiece in response to inhalation by a user.
Dependencies are inferred from the claim text.